Finding the Fourth Proportional to 131,061.88, 196,404.90 and 74,785.24

Step by Step Solution

1. Step 1: Write the proportion equation
   131,061.88 : 196,404.90 = 74,785.24 : x
2. Step 2: Convert to fraction form
   131,061.88/196,404.90 = 74,785.24/x
3. Step 3: Cross multiply
   131,061.88x = 196,404.90 × 74,785.24
4. Step 4: Simplify right side
   131,061.88x = 14,688,187,583.68
5. Step 5: Solve for x
   x = 14,688,187,583.68/131,061.88
6. Step 6: Final answer
   x = 112,070.63