Finding the Fourth Proportional to 2,139.39, 2,952.27 and 1,343.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139.39 : 2,952.27 = 1,343.14 : x
2. Step 2: Convert to fraction form
   2,139.39/2,952.27 = 1,343.14/x
3. Step 3: Cross multiply
   2,139.39x = 2,952.27 × 1,343.14
4. Step 4: Simplify right side
   2,139.39x = 3,965,304.55
5. Step 5: Solve for x
   x = 3,965,304.55/2,139.39
6. Step 6: Final answer
   x = 1,853.47