Finding the Fourth Proportional to 16,144.69, 24,220.92 and 5,613.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,144.69 : 24,220.92 = 5,613.18 : x
2. Step 2: Convert to fraction form
   16,144.69/24,220.92 = 5,613.18/x
3. Step 3: Cross multiply
   16,144.69x = 24,220.92 × 5,613.18
4. Step 4: Simplify right side
   16,144.69x = 135,956,383.73
5. Step 5: Solve for x
   x = 135,956,383.73/16,144.69
6. Step 6: Final answer
   x = 8,421.12