Finding the Fourth Proportional to 9,298.10, 12,831.47 and 5,049.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298.10 : 12,831.47 = 5,049.20 : x
2. Step 2: Convert to fraction form
   9,298.10/12,831.47 = 5,049.20/x
3. Step 3: Cross multiply
   9,298.10x = 12,831.47 × 5,049.20
4. Step 4: Simplify right side
   9,298.10x = 64,788,568.92
5. Step 5: Solve for x
   x = 64,788,568.92/9,298.10
6. Step 6: Final answer
   x = 6,967.94