Finding the Fourth Proportional to 9,310.05, 12,847.92 and 5,061.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.05 : 12,847.92 = 5,061.15 : x
2. Step 2: Convert to fraction form
   9,310.05/12,847.92 = 5,061.15/x
3. Step 3: Cross multiply
   9,310.05x = 12,847.92 × 5,061.15
4. Step 4: Simplify right side
   9,310.05x = 65,025,250.31
5. Step 5: Solve for x
   x = 65,025,250.31/9,310.05
6. Step 6: Final answer
   x = 6,984.41