Finding the Fourth Proportional to 90,349.72, 124,703.42 and 60,136.24

Step by Step Solution

1. Step 1: Write the proportion equation
   90,349.72 : 124,703.42 = 60,136.24 : x
2. Step 2: Convert to fraction form
   90,349.72/124,703.42 = 60,136.24/x
3. Step 3: Cross multiply
   90,349.72x = 124,703.42 × 60,136.24
4. Step 4: Simplify right side
   90,349.72x = 7,499,194,793.94
5. Step 5: Solve for x
   x = 7,499,194,793.94/90,349.72
6. Step 6: Final answer
   x = 83,001.86