Finding the Fourth Proportional to 3,976.57, 5,488.17 and 2,404.66

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.57 : 5,488.17 = 2,404.66 : x
2. Step 2: Convert to fraction form
   3,976.57/5,488.17 = 2,404.66/x
3. Step 3: Cross multiply
   3,976.57x = 5,488.17 × 2,404.66
4. Step 4: Simplify right side
   3,976.57x = 13,197,182.87
5. Step 5: Solve for x
   x = 13,197,182.87/3,976.57
6. Step 6: Final answer
   x = 3,318.74