Finding the Fourth Proportional to 22,514.34, 31,068.72 and 12,442.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,514.34 : 31,068.72 = 12,442.26 : x
2. Step 2: Convert to fraction form
   22,514.34/31,068.72 = 12,442.26/x
3. Step 3: Cross multiply
   22,514.34x = 31,068.72 × 12,442.26
4. Step 4: Simplify right side
   22,514.34x = 386,565,092.11
5. Step 5: Solve for x
   x = 386,565,092.11/22,514.34
6. Step 6: Final answer
   x = 17,169.73