Finding the Fourth Proportional to 23,103.92, 31,883.41 and 12,493.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,103.92 : 31,883.41 = 12,493.55 : x
2. Step 2: Convert to fraction form
   23,103.92/31,883.41 = 12,493.55/x
3. Step 3: Cross multiply
   23,103.92x = 31,883.41 × 12,493.55
4. Step 4: Simplify right side
   23,103.92x = 398,336,834.83
5. Step 5: Solve for x
   x = 398,336,834.83/23,103.92
6. Step 6: Final answer
   x = 17,241.10