Finding the Fourth Proportional to 2,498.79, 3,743.42 and 1,399.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.79 : 3,743.42 = 1,399.83 : x
2. Step 2: Convert to fraction form
   2,498.79/3,743.42 = 1,399.83/x
3. Step 3: Cross multiply
   2,498.79x = 3,743.42 × 1,399.83
4. Step 4: Simplify right side
   2,498.79x = 5,240,144.62
5. Step 5: Solve for x
   x = 5,240,144.62/2,498.79
6. Step 6: Final answer
   x = 2,097.07