Finding the Fourth Proportional to 6,808.10, 10,198.46 and 3,105.23

Step by Step Solution

1. Step 1: Write the proportion equation
   6,808.10 : 10,198.46 = 3,105.23 : x
2. Step 2: Convert to fraction form
   6,808.10/10,198.46 = 3,105.23/x
3. Step 3: Cross multiply
   6,808.10x = 10,198.46 × 3,105.23
4. Step 4: Simplify right side
   6,808.10x = 31,668,520.72
5. Step 5: Solve for x
   x = 31,668,520.72/6,808.10
6. Step 6: Final answer
   x = 4,651.60