Finding the Fourth Proportional to 62,688.43, 86,515.89 and 35,825.69

Step by Step Solution

1. Step 1: Write the proportion equation
   62,688.43 : 86,515.89 = 35,825.69 : x
2. Step 2: Convert to fraction form
   62,688.43/86,515.89 = 35,825.69/x
3. Step 3: Cross multiply
   62,688.43x = 86,515.89 × 35,825.69
4. Step 4: Simplify right side
   62,688.43x = 3,099,491,455.21
5. Step 5: Solve for x
   x = 3,099,491,455.21/62,688.43
6. Step 6: Final answer
   x = 49,442.80