Finding the Fourth Proportional to 9,718.24, 13,411.20 and 5,526.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,718.24 : 13,411.20 = 5,526.52 : x
2. Step 2: Convert to fraction form
   9,718.24/13,411.20 = 5,526.52/x
3. Step 3: Cross multiply
   9,718.24x = 13,411.20 × 5,526.52
4. Step 4: Simplify right side
   9,718.24x = 74,117,265.02
5. Step 5: Solve for x
   x = 74,117,265.02/9,718.24
6. Step 6: Final answer
   x = 7,626.61