Finding the Fourth Proportional to 124,854.08, 172,256.42 and 71,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   124,854.08 : 172,256.42 = 71,100.98 : x
2. Step 2: Convert to fraction form
   124,854.08/172,256.42 = 71,100.98/x
3. Step 3: Cross multiply
   124,854.08x = 172,256.42 × 71,100.98
4. Step 4: Simplify right side
   124,854.08x = 12,247,600,273.29
5. Step 5: Solve for x
   x = 12,247,600,273.29/124,854.08
6. Step 6: Final answer
   x = 98,095.31