Finding the Fourth Proportional to 132,499.83, 198,724.39 and 51,446.85

Step by Step Solution

1. Step 1: Write the proportion equation
   132,499.83 : 198,724.39 = 51,446.85 : x
2. Step 2: Convert to fraction form
   132,499.83/198,724.39 = 51,446.85/x
3. Step 3: Cross multiply
   132,499.83x = 198,724.39 × 51,446.85
4. Step 4: Simplify right side
   132,499.83x = 10,223,744,500.27
5. Step 5: Solve for x
   x = 10,223,744,500.27/132,499.83
6. Step 6: Final answer
   x = 77,160.44