Finding the Fourth Proportional to 32,108.31, 48,144.78 and 9,915.57

Step by Step Solution

1. Step 1: Write the proportion equation
   32,108.31 : 48,144.78 = 9,915.57 : x
2. Step 2: Convert to fraction form
   32,108.31/48,144.78 = 9,915.57/x
3. Step 3: Cross multiply
   32,108.31x = 48,144.78 × 9,915.57
4. Step 4: Simplify right side
   32,108.31x = 477,382,936.22
5. Step 5: Solve for x
   x = 477,382,936.22/32,108.31
6. Step 6: Final answer
   x = 14,867.89