Finding the Fourth Proportional to 142,022.43, 196,061.97 and 88,324.74

Step by Step Solution

1. Step 1: Write the proportion equation
   142,022.43 : 196,061.97 = 88,324.74 : x
2. Step 2: Convert to fraction form
   142,022.43/196,061.97 = 88,324.74/x
3. Step 3: Cross multiply
   142,022.43x = 196,061.97 × 88,324.74
4. Step 4: Simplify right side
   142,022.43x = 17,317,123,124.70
5. Step 5: Solve for x
   x = 17,317,123,124.70/142,022.43
6. Step 6: Final answer
   x = 121,932.31