Finding the Fourth Proportional to 132,084.40, 198,155.76 and 65,560.72

Step by Step Solution

1. Step 1: Write the proportion equation
   132,084.40 : 198,155.76 = 65,560.72 : x
2. Step 2: Convert to fraction form
   132,084.40/198,155.76 = 65,560.72/x
3. Step 3: Cross multiply
   132,084.40x = 198,155.76 × 65,560.72
4. Step 4: Simplify right side
   132,084.40x = 12,991,234,297.75
5. Step 5: Solve for x
   x = 12,991,234,297.75/132,084.40
6. Step 6: Final answer
   x = 98,355.55