Finding the Fourth Proportional to 2,488.43, 3,434.56 and 1,426.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.43 : 3,434.56 = 1,426.37 : x
2. Step 2: Convert to fraction form
   2,488.43/3,434.56 = 1,426.37/x
3. Step 3: Cross multiply
   2,488.43x = 3,434.56 × 1,426.37
4. Step 4: Simplify right side
   2,488.43x = 4,898,932.61
5. Step 5: Solve for x
   x = 4,898,932.61/2,488.43
6. Step 6: Final answer
   x = 1,968.68