Finding the Fourth Proportional to 1,738.43, 2,399.46 and 1,458.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.43 : 2,399.46 = 1,458.23 : x
2. Step 2: Convert to fraction form
   1,738.43/2,399.46 = 1,458.23/x
3. Step 3: Cross multiply
   1,738.43x = 2,399.46 × 1,458.23
4. Step 4: Simplify right side
   1,738.43x = 3,498,964.56
5. Step 5: Solve for x
   x = 3,498,964.56/1,738.43
6. Step 6: Final answer
   x = 2,012.72