Finding the Fourth Proportional to 8,561.30, 12,832.49 and 5,598.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,561.30 : 12,832.49 = 5,598.52 : x
2. Step 2: Convert to fraction form
   8,561.30/12,832.49 = 5,598.52/x
3. Step 3: Cross multiply
   8,561.30x = 12,832.49 × 5,598.52
4. Step 4: Simplify right side
   8,561.30x = 71,842,933.83
5. Step 5: Solve for x
   x = 71,842,933.83/8,561.30
6. Step 6: Final answer
   x = 8,391.60