Finding the Fourth Proportional to 9,789.54, 13,508.55 and 5,598.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.54 : 13,508.55 = 5,598.06 : x
2. Step 2: Convert to fraction form
   9,789.54/13,508.55 = 5,598.06/x
3. Step 3: Cross multiply
   9,789.54x = 13,508.55 × 5,598.06
4. Step 4: Simplify right side
   9,789.54x = 75,621,673.41
5. Step 5: Solve for x
   x = 75,621,673.41/9,789.54
6. Step 6: Final answer
   x = 7,724.74