Finding the Fourth Proportional to 22,513.98, 31,067.67 and 12,442.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.98 : 31,067.67 = 12,442.30 : x
2. Step 2: Convert to fraction form
   22,513.98/31,067.67 = 12,442.30/x
3. Step 3: Cross multiply
   22,513.98x = 31,067.67 × 12,442.30
4. Step 4: Simplify right side
   22,513.98x = 386,553,270.44
5. Step 5: Solve for x
   x = 386,553,270.44/22,513.98
6. Step 6: Final answer
   x = 17,169.48