Finding the Fourth Proportional to 16,406.34, 24,616.72 and 8,613.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,406.34 : 24,616.72 = 8,613.34 : x
2. Step 2: Convert to fraction form
   16,406.34/24,616.72 = 8,613.34/x
3. Step 3: Cross multiply
   16,406.34x = 24,616.72 × 8,613.34
4. Step 4: Simplify right side
   16,406.34x = 212,032,179.04
5. Step 5: Solve for x
   x = 212,032,179.04/16,406.34
6. Step 6: Final answer
   x = 12,923.80