Finding the Fourth Proportional to 62,915.52, 86,820.12 and 34,615.80

Step by Step Solution

1. Step 1: Write the proportion equation
   62,915.52 : 86,820.12 = 34,615.80 : x
2. Step 2: Convert to fraction form
   62,915.52/86,820.12 = 34,615.80/x
3. Step 3: Cross multiply
   62,915.52x = 86,820.12 × 34,615.80
4. Step 4: Simplify right side
   62,915.52x = 3,005,347,909.90
5. Step 5: Solve for x
   x = 3,005,347,909.90/62,915.52
6. Step 6: Final answer
   x = 47,767.99