Finding the Fourth Proportional to 3,976.83, 5,488.38 and 2,404.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.83 : 5,488.38 = 2,404.89 : x
2. Step 2: Convert to fraction form
   3,976.83/5,488.38 = 2,404.89/x
3. Step 3: Cross multiply
   3,976.83x = 5,488.38 × 2,404.89
4. Step 4: Simplify right side
   3,976.83x = 13,198,950.18
5. Step 5: Solve for x
   x = 13,198,950.18/3,976.83
6. Step 6: Final answer
   x = 3,318.96