Finding the Fourth Proportional to 22,540.53, 31,105.67 and 12,468.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540.53 : 31,105.67 = 12,468.18 : x
2. Step 2: Convert to fraction form
   22,540.53/31,105.67 = 12,468.18/x
3. Step 3: Cross multiply
   22,540.53x = 31,105.67 × 12,468.18
4. Step 4: Simplify right side
   22,540.53x = 387,831,030.24
5. Step 5: Solve for x
   x = 387,831,030.24/22,540.53
6. Step 6: Final answer
   x = 17,205.94