Finding the Fourth Proportional to 16,464.27, 22,720.72 and 8,910.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,464.27 : 22,720.72 = 8,910.62 : x
2. Step 2: Convert to fraction form
   16,464.27/22,720.72 = 8,910.62/x
3. Step 3: Cross multiply
   16,464.27x = 22,720.72 × 8,910.62
4. Step 4: Simplify right side
   16,464.27x = 202,455,566.17
5. Step 5: Solve for x
   x = 202,455,566.17/16,464.27
6. Step 6: Final answer
   x = 12,296.66