Finding the Fourth Proportional to 16,266.12, 24,404.04 and 8,480.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,266.12 : 24,404.04 = 8,480.40 : x
2. Step 2: Convert to fraction form
   16,266.12/24,404.04 = 8,480.40/x
3. Step 3: Cross multiply
   16,266.12x = 24,404.04 × 8,480.40
4. Step 4: Simplify right side
   16,266.12x = 206,956,020.82
5. Step 5: Solve for x
   x = 206,956,020.82/16,266.12
6. Step 6: Final answer
   x = 12,723.13