Finding the Fourth Proportional to 62,728.38, 86,565.29 and 37,239.86

Step by Step Solution

1. Step 1: Write the proportion equation
   62,728.38 : 86,565.29 = 37,239.86 : x
2. Step 2: Convert to fraction form
   62,728.38/86,565.29 = 37,239.86/x
3. Step 3: Cross multiply
   62,728.38x = 86,565.29 × 37,239.86
4. Step 4: Simplify right side
   62,728.38x = 3,223,678,661.43
5. Step 5: Solve for x
   x = 3,223,678,661.43/62,728.38
6. Step 6: Final answer
   x = 51,391.07