Finding the Fourth Proportional to 16,279.69, 22,468.85 and 9,565.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,279.69 : 22,468.85 = 9,565.31 : x
2. Step 2: Convert to fraction form
   16,279.69/22,468.85 = 9,565.31/x
3. Step 3: Cross multiply
   16,279.69x = 22,468.85 × 9,565.31
4. Step 4: Simplify right side
   16,279.69x = 214,921,523.94
5. Step 5: Solve for x
   x = 214,921,523.94/16,279.69
6. Step 6: Final answer
   x = 13,201.82