Finding the Fourth Proportional to 103,414.91, 142,728.02 and 63,152.01

Step by Step Solution

1. Step 1: Write the proportion equation
   103,414.91 : 142,728.02 = 63,152.01 : x
2. Step 2: Convert to fraction form
   103,414.91/142,728.02 = 63,152.01/x
3. Step 3: Cross multiply
   103,414.91x = 142,728.02 × 63,152.01
4. Step 4: Simplify right side
   103,414.91x = 9,013,561,030.56
5. Step 5: Solve for x
   x = 9,013,561,030.56/103,414.91
6. Step 6: Final answer
   x = 87,159.21