Finding the Fourth Proportional to 424,104.52, 636,156.40 and 108,560.92

Step by Step Solution

1. Step 1: Write the proportion equation
   424,104.52 : 636,156.40 = 108,560.92 : x
2. Step 2: Convert to fraction form
   424,104.52/636,156.40 = 108,560.92/x
3. Step 3: Cross multiply
   424,104.52x = 636,156.40 × 108,560.92
4. Step 4: Simplify right side
   424,104.52x = 69,061,724,047.89
5. Step 5: Solve for x
   x = 69,061,724,047.89/424,104.52
6. Step 6: Final answer
   x = 162,841.28