Finding the Fourth Proportional to 6,915.76, 10,375.46 and 5,025.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,915.76 : 10,375.46 = 5,025.42 : x
2. Step 2: Convert to fraction form
   6,915.76/10,375.46 = 5,025.42/x
3. Step 3: Cross multiply
   6,915.76x = 10,375.46 × 5,025.42
4. Step 4: Simplify right side
   6,915.76x = 52,141,044.19
5. Step 5: Solve for x
   x = 52,141,044.19/6,915.76
6. Step 6: Final answer
   x = 7,539.45