Finding the Fourth Proportional to 3,379.50, 5,057.60 and 2,680.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,379.50 : 5,057.60 = 2,680.27 : x
2. Step 2: Convert to fraction form
   3,379.50/5,057.60 = 2,680.27/x
3. Step 3: Cross multiply
   3,379.50x = 5,057.60 × 2,680.27
4. Step 4: Simplify right side
   3,379.50x = 13,555,733.55
5. Step 5: Solve for x
   x = 13,555,733.55/3,379.50
6. Step 6: Final answer
   x = 4,011.17