Finding the Fourth Proportional to 9,298.52, 12,831.50 and 5,320.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298.52 : 12,831.50 = 5,320.07 : x
2. Step 2: Convert to fraction form
   9,298.52/12,831.50 = 5,320.07/x
3. Step 3: Cross multiply
   9,298.52x = 12,831.50 × 5,320.07
4. Step 4: Simplify right side
   9,298.52x = 68,264,387.45
5. Step 5: Solve for x
   x = 68,264,387.45/9,298.52
6. Step 6: Final answer
   x = 7,341.43