Finding the Fourth Proportional to 113,127.50, 156,129.72 and 65,381.24

Step by Step Solution

1. Step 1: Write the proportion equation
   113,127.50 : 156,129.72 = 65,381.24 : x
2. Step 2: Convert to fraction form
   113,127.50/156,129.72 = 65,381.24/x
3. Step 3: Cross multiply
   113,127.50x = 156,129.72 × 65,381.24
4. Step 4: Simplify right side
   113,127.50x = 10,207,954,694.45
5. Step 5: Solve for x
   x = 10,207,954,694.45/113,127.50
6. Step 6: Final answer
   x = 90,234.07