Finding the Fourth Proportional to 22,540.50, 31,103.49 and 12,467.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540.50 : 31,103.49 = 12,467.34 : x
2. Step 2: Convert to fraction form
   22,540.50/31,103.49 = 12,467.34/x
3. Step 3: Cross multiply
   22,540.50x = 31,103.49 × 12,467.34
4. Step 4: Simplify right side
   22,540.50x = 387,777,785.02
5. Step 5: Solve for x
   x = 387,777,785.02/22,540.50
6. Step 6: Final answer
   x = 17,203.60