You can put this solution on YOUR website! Let x, x+2 & x+4 be the 3 odd integers.
x+x+2+x=4=171
3x+6=171
3x=171-6
3x=165
x=165/3
x=55 ans. for the smallest integer.
55+2=57 ans. for the middle integer.
55+4=59 ans. for the largest integer.
Proof:
55+57+59=171
171=171