Finding the Fourth Proportional to 132,340.54, 198,399.18 and 57,404.24

Step by Step Solution

1. Step 1: Write the proportion equation
   132,340.54 : 198,399.18 = 57,404.24 : x
2. Step 2: Convert to fraction form
   132,340.54/198,399.18 = 57,404.24/x
3. Step 3: Cross multiply
   132,340.54x = 198,399.18 × 57,404.24
4. Step 4: Simplify right side
   132,340.54x = 11,388,954,144.52
5. Step 5: Solve for x
   x = 11,388,954,144.52/132,340.54
6. Step 6: Final answer
   x = 86,057.94