Finding the Fourth Proportional to 87,457.98, 131,186.52 and 34,155.37

Step by Step Solution

1. Step 1: Write the proportion equation
   87,457.98 : 131,186.52 = 34,155.37 : x
2. Step 2: Convert to fraction form
   87,457.98/131,186.52 = 34,155.37/x
3. Step 3: Cross multiply
   87,457.98x = 131,186.52 × 34,155.37
4. Step 4: Simplify right side
   87,457.98x = 4,480,723,302.90
5. Step 5: Solve for x
   x = 4,480,723,302.90/87,457.98
6. Step 6: Final answer
   x = 51,232.87