Finding the Fourth Proportional to 9,724.16, 14,565.31 and 5,561.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724.16 : 14,565.31 = 5,561.98 : x
2. Step 2: Convert to fraction form
   9,724.16/14,565.31 = 5,561.98/x
3. Step 3: Cross multiply
   9,724.16x = 14,565.31 × 5,561.98
4. Step 4: Simplify right side
   9,724.16x = 81,011,962.91
5. Step 5: Solve for x
   x = 81,011,962.91/9,724.16
6. Step 6: Final answer
   x = 8,331.00