Finding the Fourth Proportional to 22,540.31, 31,103.25 and 12,467.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540.31 : 31,103.25 = 12,467.15 : x
2. Step 2: Convert to fraction form
   22,540.31/31,103.25 = 12,467.15/x
3. Step 3: Cross multiply
   22,540.31x = 31,103.25 × 12,467.15
4. Step 4: Simplify right side
   22,540.31x = 387,768,883.24
5. Step 5: Solve for x
   x = 387,768,883.24/22,540.31
6. Step 6: Final answer
   x = 17,203.35