Finding the Fourth Proportional to 3,982.95, 5,498.33 and 2,491.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.95 : 5,498.33 = 2,491.83 : x
2. Step 2: Convert to fraction form
   3,982.95/5,498.33 = 2,491.83/x
3. Step 3: Cross multiply
   3,982.95x = 5,498.33 × 2,491.83
4. Step 4: Simplify right side
   3,982.95x = 13,700,891.18
5. Step 5: Solve for x
   x = 13,700,891.18/3,982.95
6. Step 6: Final answer
   x = 3,439.89