Finding the Fourth Proportional to 62,788.72, 86,653.29 and 35,939.65

Step by Step Solution

1. Step 1: Write the proportion equation
   62,788.72 : 86,653.29 = 35,939.65 : x
2. Step 2: Convert to fraction form
   62,788.72/86,653.29 = 35,939.65/x
3. Step 3: Cross multiply
   62,788.72x = 86,653.29 × 35,939.65
4. Step 4: Simplify right side
   62,788.72x = 3,114,288,913.95
5. Step 5: Solve for x
   x = 3,114,288,913.95/62,788.72
6. Step 6: Final answer
   x = 49,599.50