Finding the Fourth Proportional to 16,616.96, 24,922.80 and 5,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,616.96 : 24,922.80 = 5,522.72 : x
2. Step 2: Convert to fraction form
   16,616.96/24,922.80 = 5,522.72/x
3. Step 3: Cross multiply
   16,616.96x = 24,922.80 × 5,522.72
4. Step 4: Simplify right side
   16,616.96x = 137,641,646.02
5. Step 5: Solve for x
   x = 137,641,646.02/16,616.96
6. Step 6: Final answer
   x = 8,283.20