Finding the Fourth Proportional to 3,698.53, 5,104.83 and 2,439.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.53 : 5,104.83 = 2,439.81 : x
2. Step 2: Convert to fraction form
   3,698.53/5,104.83 = 2,439.81/x
3. Step 3: Cross multiply
   3,698.53x = 5,104.83 × 2,439.81
4. Step 4: Simplify right side
   3,698.53x = 12,454,815.28
5. Step 5: Solve for x
   x = 12,454,815.28/3,698.53
6. Step 6: Final answer
   x = 3,367.50