Finding the Fourth Proportional to 2,545.46, 3,512.49 and 1,426.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.46 : 3,512.49 = 1,426.31 : x
2. Step 2: Convert to fraction form
   2,545.46/3,512.49 = 1,426.31/x
3. Step 3: Cross multiply
   2,545.46x = 3,512.49 × 1,426.31
4. Step 4: Simplify right side
   2,545.46x = 5,009,899.61
5. Step 5: Solve for x
   x = 5,009,899.61/2,545.46
6. Step 6: Final answer
   x = 1,968.17