Finding the Fourth Proportional to 9,582.88, 13,223.68 and 5,391.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,582.88 : 13,223.68 = 5,391.04 : x
2. Step 2: Convert to fraction form
   9,582.88/13,223.68 = 5,391.04/x
3. Step 3: Cross multiply
   9,582.88x = 13,223.68 × 5,391.04
4. Step 4: Simplify right side
   9,582.88x = 71,289,387.83
5. Step 5: Solve for x
   x = 71,289,387.83/9,582.88
6. Step 6: Final answer
   x = 7,439.24