Finding the Fourth Proportional to 162,661.98, 224,473.50 and 91,042

Step by Step Solution

1. Step 1: Write the proportion equation
   162,661.98 : 224,473.50 = 91,042 : x
2. Step 2: Convert to fraction form
   162,661.98/224,473.50 = 91,042/x
3. Step 3: Cross multiply
   162,661.98x = 224,473.50 × 91,042
4. Step 4: Simplify right side
   162,661.98x = 20,436,516,387
5. Step 5: Solve for x
   x = 20,436,516,387/162,661.98
6. Step 6: Final answer
   x = 125,637.94