Finding the Fourth Proportional to 172,553.18, 238,086.78 and 108,854.06

Step by Step Solution

1. Step 1: Write the proportion equation
   172,553.18 : 238,086.78 = 108,854.06 : x
2. Step 2: Convert to fraction form
   172,553.18/238,086.78 = 108,854.06/x
3. Step 3: Cross multiply
   172,553.18x = 238,086.78 × 108,854.06
4. Step 4: Simplify right side
   172,553.18x = 25,916,712,635.33
5. Step 5: Solve for x
   x = 25,916,712,635.33/172,553.18
6. Step 6: Final answer
   x = 150,195.51