Answer:
X  ≈ 228913 $
Step-by-step explanation:
The standard score z is:
z  =  ( X- μ ) /σ     (1)
Now  z (score ) for 2,74 % is:
2,74 %  is  0,0274  and from z table  z (score) = - 1,92
By subtitution in equation 1
-1,92 Â = Â ( X - Â 316532 ) / 45635
- 87619,20 + 316532 Â = X
X  ≈ 228913 $