Finding the Fourth Proportional to 12,231.03, 16,883.98 and 8,257.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,231.03 : 16,883.98 = 8,257.52 : x
2. Step 2: Convert to fraction form
   12,231.03/16,883.98 = 8,257.52/x
3. Step 3: Cross multiply
   12,231.03x = 16,883.98 × 8,257.52
4. Step 4: Simplify right side
   12,231.03x = 139,419,811.45
5. Step 5: Solve for x
   x = 139,419,811.45/12,231.03
6. Step 6: Final answer
   x = 11,398.87