Finding the Fourth Proportional to 2,323.38, 3,207.96 and 1,439.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.38 : 3,207.96 = 1,439.94 : x
2. Step 2: Convert to fraction form
   2,323.38/3,207.96 = 1,439.94/x
3. Step 3: Cross multiply
   2,323.38x = 3,207.96 × 1,439.94
4. Step 4: Simplify right side
   2,323.38x = 4,619,269.92
5. Step 5: Solve for x
   x = 4,619,269.92/2,323.38
6. Step 6: Final answer
   x = 1,988.17