Finding the Fourth Proportional to 158,114.71, 236,792.03 and 90,441.59

Step by Step Solution

1. Step 1: Write the proportion equation
   158,114.71 : 236,792.03 = 90,441.59 : x
2. Step 2: Convert to fraction form
   158,114.71/236,792.03 = 90,441.59/x
3. Step 3: Cross multiply
   158,114.71x = 236,792.03 × 90,441.59
4. Step 4: Simplify right side
   158,114.71x = 21,415,847,692.53
5. Step 5: Solve for x
   x = 21,415,847,692.53/158,114.71
6. Step 6: Final answer
   x = 135,445.01