Finding the Fourth Proportional to 124,725.30, 172,141.92 and 71,002.86

Step by Step Solution

1. Step 1: Write the proportion equation
   124,725.30 : 172,141.92 = 71,002.86 : x
2. Step 2: Convert to fraction form
   124,725.30/172,141.92 = 71,002.86/x
3. Step 3: Cross multiply
   124,725.30x = 172,141.92 × 71,002.86
4. Step 4: Simplify right side
   124,725.30x = 12,222,568,645.89
5. Step 5: Solve for x
   x = 12,222,568,645.89/124,725.30
6. Step 6: Final answer
   x = 97,995.90