Finding the Fourth Proportional to 16,461.24, 24,680.88 and 9,069.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,461.24 : 24,680.88 = 9,069.20 : x
2. Step 2: Convert to fraction form
   16,461.24/24,680.88 = 9,069.20/x
3. Step 3: Cross multiply
   16,461.24x = 24,680.88 × 9,069.20
4. Step 4: Simplify right side
   16,461.24x = 223,835,836.90
5. Step 5: Solve for x
   x = 223,835,836.90/16,461.24
6. Step 6: Final answer
   x = 13,597.75