Finding the Fourth Proportional to 4,105.13, 5,651.12 and 3,108.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.13 : 5,651.12 = 3,108.83 : x
2. Step 2: Convert to fraction form
   4,105.13/5,651.12 = 3,108.83/x
3. Step 3: Cross multiply
   4,105.13x = 5,651.12 × 3,108.83
4. Step 4: Simplify right side
   4,105.13x = 17,568,355.85
5. Step 5: Solve for x
   x = 17,568,355.85/4,105.13
6. Step 6: Final answer
   x = 4,279.61