Finding the Fourth Proportional to 22,514.64, 31,063.41 and 13,081.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,514.64 : 31,063.41 = 13,081.38 : x
2. Step 2: Convert to fraction form
   22,514.64/31,063.41 = 13,081.38/x
3. Step 3: Cross multiply
   22,514.64x = 31,063.41 × 13,081.38
4. Step 4: Simplify right side
   22,514.64x = 406,352,270.31
5. Step 5: Solve for x
   x = 406,352,270.31/22,514.64
6. Step 6: Final answer
   x = 18,048.36