Finding the Fourth Proportional to 9,582.98, 13,224.50 and 5,391.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,582.98 : 13,224.50 = 5,391.23 : x
2. Step 2: Convert to fraction form
   9,582.98/13,224.50 = 5,391.23/x
3. Step 3: Cross multiply
   9,582.98x = 13,224.50 × 5,391.23
4. Step 4: Simplify right side
   9,582.98x = 71,296,228.06
5. Step 5: Solve for x
   x = 71,296,228.06/9,582.98
6. Step 6: Final answer
   x = 7,439.88