Finding the Fourth Proportional to 102,500.76, 141,453.90 and 60,061.08

Step by Step Solution

1. Step 1: Write the proportion equation
   102,500.76 : 141,453.90 = 60,061.08 : x
2. Step 2: Convert to fraction form
   102,500.76/141,453.90 = 60,061.08/x
3. Step 3: Cross multiply
   102,500.76x = 141,453.90 × 60,061.08
4. Step 4: Simplify right side
   102,500.76x = 8,495,874,004.21
5. Step 5: Solve for x
   x = 8,495,874,004.21/102,500.76
6. Step 6: Final answer
   x = 82,885.96