Finding the Fourth Proportional to 62,781.72, 86,653.72 and 35,939.74

Step by Step Solution

1. Step 1: Write the proportion equation
   62,781.72 : 86,653.72 = 35,939.74 : x
2. Step 2: Convert to fraction form
   62,781.72/86,653.72 = 35,939.74/x
3. Step 3: Cross multiply
   62,781.72x = 86,653.72 × 35,939.74
4. Step 4: Simplify right side
   62,781.72x = 3,114,312,166.83
5. Step 5: Solve for x
   x = 3,114,312,166.83/62,781.72
6. Step 6: Final answer
   x = 49,605.40