Finding the Fourth Proportional to 9,583.52, 13,225.28 and 5,391.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,583.52 : 13,225.28 = 5,391.77 : x
2. Step 2: Convert to fraction form
   9,583.52/13,225.28 = 5,391.77/x
3. Step 3: Cross multiply
   9,583.52x = 13,225.28 × 5,391.77
4. Step 4: Simplify right side
   9,583.52x = 71,307,574.86
5. Step 5: Solve for x
   x = 71,307,574.86/9,583.52
6. Step 6: Final answer
   x = 7,440.65