Finding the Fourth Proportional to 2,494.81, 3,743.30 and 1,339.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.81 : 3,743.30 = 1,339.21 : x
2. Step 2: Convert to fraction form
   2,494.81/3,743.30 = 1,339.21/x
3. Step 3: Cross multiply
   2,494.81x = 3,743.30 × 1,339.21
4. Step 4: Simplify right side
   2,494.81x = 5,013,064.79
5. Step 5: Solve for x
   x = 5,013,064.79/2,494.81
6. Step 6: Final answer
   x = 2,009.40