Finding the Fourth Proportional to 162,681.86, 224,490.42 and 91,061.26

Step by Step Solution

1. Step 1: Write the proportion equation
   162,681.86 : 224,490.42 = 91,061.26 : x
2. Step 2: Convert to fraction form
   162,681.86/224,490.42 = 91,061.26/x
3. Step 3: Cross multiply
   162,681.86x = 224,490.42 × 91,061.26
4. Step 4: Simplify right side
   162,681.86x = 20,442,380,503.13
5. Step 5: Solve for x
   x = 20,442,380,503.13/162,681.86
6. Step 6: Final answer
   x = 125,658.64