Finding the Fourth Proportional to 22,144.39, 30,567.79 and 16,223.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.39 : 30,567.79 = 16,223.09 : x
2. Step 2: Convert to fraction form
   22,144.39/30,567.79 = 16,223.09/x
3. Step 3: Cross multiply
   22,144.39x = 30,567.79 × 16,223.09
4. Step 4: Simplify right side
   22,144.39x = 495,904,008.27
5. Step 5: Solve for x
   x = 495,904,008.27/22,144.39
6. Step 6: Final answer
   x = 22,394.11