Finding the Fourth Proportional to 23,103.61, 31,883 and 12,493.24

Step by Step Solution

1. Step 1: Write the proportion equation
   23,103.61 : 31,883 = 12,493.24 : x
2. Step 2: Convert to fraction form
   23,103.61/31,883 = 12,493.24/x
3. Step 3: Cross multiply
   23,103.61x = 31,883 × 12,493.24
4. Step 4: Simplify right side
   23,103.61x = 398,321,970.92
5. Step 5: Solve for x
   x = 398,321,970.92/23,103.61
6. Step 6: Final answer
   x = 17,240.68