1
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
   
                                              /s/ PHILIP J. CARROLL, JR.
                                              ----------------------------------
                                              Name: Philip J. Carroll, Jr.
                                              ----------------------------------
    
   2
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
                                              /s/ JAMES O. ROLLANS
                                              ----------------------------------
                                              Name: James O. Rollans
                                              ----------------------------------
   3
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Vice President and
Controller of Fluor Corporation, a Delaware corporation ("Fluor"), does hereby
constitute and appoint Lawrence N. Fisher and Stephen F. Hull, and each of them,
his true and lawful attorneys-in-fact and agents with full power of substitution
and resubstitution, for him and in his name, place and stead, in any and all
capacities, to sign a Registration Statement on Form S-3 and any and all
amendments thereto (including post-effective amendments) to be filed by Fluor
with the Securities and Exchange Commission (the "Commission") for the purpose
of registering under the Securities Act of 1933, as amended, up to $500,000,000
of Fluor debt securities covered by said Registration Statement and to file such
Registration Statement and any and all such amendments and any and all exhibits
thereto, and any and all other information and documents in connection
therewith, with the Commission, granting unto said attorneys-in-fact and agents,
each acting alone, full power and authority to do and perform each and every act
and thing requisite and necessary to be done in and about the premises, as fully
and to all intents and purposes as he might or could do in person, hereby
ratifying and confirming as his own act and deed all that such attorneys-in-fact
and agents, and each of them, shall do or cause to be done by virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
                                              /s/ VICTOR L. PRECHTL
                                              ----------------------------------
                                              Name: Victor L. Prechtl
                                              ----------------------------------
   4
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
                                              /s/ DONALD L. BLANKENSHIP
                                              ----------------------------------
                                              Name: Donald L. Blankenship
                                              ----------------------------------
   5
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
                                              /s/ CARROLL A. CAMPBELL, JR.
                                              ----------------------------------
                                              Name: Carroll A. Campbell, Jr.
                                              ----------------------------------
   6
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
   
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 19th day of January, 1999.
    
 
                                              /s/ PETER J. FLUOR
                                              ----------------------------------
                                              Name: Peter J. Fluor
                                              ----------------------------------
   7
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
   
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 19th day of January, 1999.
    
 
                                              /s/ DAVID P. GARDNER
                                              ----------------------------------
                                              Name: David P. Gardner
                                              ----------------------------------
   8
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
                                              /s/ THOMAS L. GOSSAGE
                                              ----------------------------------
                                              Name: Thomas L. Gossage
                                              ----------------------------------
   9
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
   
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 19th day of January, 1999.
    
 
                                              /s/ BOBBY R. INMAN
                                              ----------------------------------
                                              Name: Bobby R. Inman
                                              ----------------------------------
   10
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
   
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 19th day of January, 1999.
    
 
                                              /s/ VILMA S. MARTINEZ
                                              ----------------------------------
                                              Name: Vilma S. Martinez
                                              ----------------------------------
   11
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
                                              /s/ DEAN R. O'HARE
                                              ----------------------------------
                                              Name: Dean R. O'Hare
                                              ----------------------------------
   12
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 20th day of January, 1999.
 
                                              /s/ ROBIN W. RENWICK
                                              ----------------------------------
                                              Name: Lord Robin W. Renwick,
                                                    K.C.M.G.
                                              ----------------------------------
   13
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
   
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 19th day of January, 1999.
    
 
                                              /s/ MARTHA R. SEGER
                                              ----------------------------------
                                              Name: Martha R. Seger
                                              ----------------------------------
   14
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director of Fluor
Corporation, a Delaware corporation ("Fluor"), does hereby constitute and
appoint Lawrence N. Fisher, James O. Rollans and Stephen F. Hull, and each of
them, his true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for him and in his name, place and stead, in
any and all capacities, to sign a Registration Statement on Form S-3 and any and
all amendments thereto (including post-effective amendments) to be filed by
Fluor with the Securities and Exchange Commission (the "Commission") for the
purpose of registering under the Securities Act of 1933, as amended, up to
$500,000,000 of Fluor debt securities covered by said Registration Statement and
to file such Registration Statement and any and all such amendments and any and
all exhibits thereto, and any and all other information and documents in
connection therewith, with the Commission, granting unto said attorneys-in-fact
and agents, each acting alone, full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or could do in
person, hereby ratifying and confirming as his own act and deed all that such
attorneys-in-fact and agents, and each of them, shall do or cause to be done by
virtue hereof.
 
   
     IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature
as of the 19th day of January, 1999.
    
 
                                              /s/ JAMES C. STEIN
                                              ----------------------------------
                                              Name: James C. Stein
                                              ----------------------------------