Finding the Fourth Proportional to 9,789.52, 13,509.48 and 5,597.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.52 : 13,509.48 = 5,597.68 : x
2. Step 2: Convert to fraction form
   9,789.52/13,509.48 = 5,597.68/x
3. Step 3: Cross multiply
   9,789.52x = 13,509.48 × 5,597.68
4. Step 4: Simplify right side
   9,789.52x = 75,621,746.01
5. Step 5: Solve for x
   x = 75,621,746.01/9,789.52
6. Step 6: Final answer
   x = 7,724.77