Finding the Fourth Proportional to 162,662.72, 224,474.51 and 91,042.74

Step by Step Solution

1. Step 1: Write the proportion equation
   162,662.72 : 224,474.51 = 91,042.74 : x
2. Step 2: Convert to fraction form
   162,662.72/224,474.51 = 91,042.74/x
3. Step 3: Cross multiply
   162,662.72x = 224,474.51 × 91,042.74
4. Step 4: Simplify right side
   162,662.72x = 20,436,773,995.34
5. Step 5: Solve for x
   x = 20,436,773,995.34/162,662.72
6. Step 6: Final answer
   x = 125,638.96