Finding the Fourth Proportional to 22,669.42, 31,250.82 and 15,842.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,669.42 : 31,250.82 = 15,842.24 : x
2. Step 2: Convert to fraction form
   22,669.42/31,250.82 = 15,842.24/x
3. Step 3: Cross multiply
   22,669.42x = 31,250.82 × 15,842.24
4. Step 4: Simplify right side
   22,669.42x = 495,083,032.65
5. Step 5: Solve for x
   x = 495,083,032.65/22,669.42
6. Step 6: Final answer
   x = 21,839.25