Finding the Fourth Proportional to 9,789.28, 13,509.23 and 5,597.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.28 : 13,509.23 = 5,597.53 : x
2. Step 2: Convert to fraction form
   9,789.28/13,509.23 = 5,597.53/x
3. Step 3: Cross multiply
   9,789.28x = 13,509.23 × 5,597.53
4. Step 4: Simplify right side
   9,789.28x = 75,618,309.10
5. Step 5: Solve for x
   x = 75,618,309.10/9,789.28
6. Step 6: Final answer
   x = 7,724.60