Finding the Fourth Proportional to 10,951.52, 15,113.10 and 5,915.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.52 : 15,113.10 = 5,915.74 : x
2. Step 2: Convert to fraction form
   10,951.52/15,113.10 = 5,915.74/x
3. Step 3: Cross multiply
   10,951.52x = 15,113.10 × 5,915.74
4. Step 4: Simplify right side
   10,951.52x = 89,405,170.19
5. Step 5: Solve for x
   x = 89,405,170.19/10,951.52
6. Step 6: Final answer
   x = 8,163.72