Finding the Fourth Proportional to 2,545.50, 3,512.54 and 1,426.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.50 : 3,512.54 = 1,426.38 : x
2. Step 2: Convert to fraction form
   2,545.50/3,512.54 = 1,426.38/x
3. Step 3: Cross multiply
   2,545.50x = 3,512.54 × 1,426.38
4. Step 4: Simplify right side
   2,545.50x = 5,010,216.81
5. Step 5: Solve for x
   x = 5,010,216.81/2,545.50
6. Step 6: Final answer
   x = 1,968.26