Finding the Fourth Proportional to 22,872.98, 31,567.73 and 12,805.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,872.98 : 31,567.73 = 12,805.29 : x
2. Step 2: Convert to fraction form
   22,872.98/31,567.73 = 12,805.29/x
3. Step 3: Cross multiply
   22,872.98x = 31,567.73 × 12,805.29
4. Step 4: Simplify right side
   22,872.98x = 404,233,873.27
5. Step 5: Solve for x
   x = 404,233,873.27/22,872.98
6. Step 6: Final answer
   x = 17,672.98