Finding the Fourth Proportional to 10,587.52, 14,589.48 and 7,915.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,587.52 : 14,589.48 = 7,915.60 : x
2. Step 2: Convert to fraction form
   10,587.52/14,589.48 = 7,915.60/x
3. Step 3: Cross multiply
   10,587.52x = 14,589.48 × 7,915.60
4. Step 4: Simplify right side
   10,587.52x = 115,484,487.89
5. Step 5: Solve for x
   x = 115,484,487.89/10,587.52
6. Step 6: Final answer
   x = 10,907.61