Finding the Fourth Proportional to 9,582.76, 13,224.06 and 5,391.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,582.76 : 13,224.06 = 5,391.02 : x
2. Step 2: Convert to fraction form
   9,582.76/13,224.06 = 5,391.02/x
3. Step 3: Cross multiply
   9,582.76x = 13,224.06 × 5,391.02
4. Step 4: Simplify right side
   9,582.76x = 71,291,171.94
5. Step 5: Solve for x
   x = 71,291,171.94/9,582.76
6. Step 6: Final answer
   x = 7,439.52