Finding the Fourth Proportional to 124,791.82, 172,243.31 and 71,108.48

Step by Step Solution

1. Step 1: Write the proportion equation
   124,791.82 : 172,243.31 = 71,108.48 : x
2. Step 2: Convert to fraction form
   124,791.82/172,243.31 = 71,108.48/x
3. Step 3: Cross multiply
   124,791.82x = 172,243.31 × 71,108.48
4. Step 4: Simplify right side
   124,791.82x = 12,247,960,039.33
5. Step 5: Solve for x
   x = 12,247,960,039.33/124,791.82
6. Step 6: Final answer
   x = 98,147.14