Finding the Fourth Proportional to 17,103.85, 25,601.10 and 12,183.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,103.85 : 25,601.10 = 12,183.10 : x
2. Step 2: Convert to fraction form
   17,103.85/25,601.10 = 12,183.10/x
3. Step 3: Cross multiply
   17,103.85x = 25,601.10 × 12,183.10
4. Step 4: Simplify right side
   17,103.85x = 311,900,761.41
5. Step 5: Solve for x
   x = 311,900,761.41/17,103.85
6. Step 6: Final answer
   x = 18,235.70