Finding the Fourth Proportional to 2,545.25, 3,512.43 and 1,426.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.25 : 3,512.43 = 1,426.19 : x
2. Step 2: Convert to fraction form
   2,545.25/3,512.43 = 1,426.19/x
3. Step 3: Cross multiply
   2,545.25x = 3,512.43 × 1,426.19
4. Step 4: Simplify right side
   2,545.25x = 5,009,374.98
5. Step 5: Solve for x
   x = 5,009,374.98/2,545.25
6. Step 6: Final answer
   x = 1,968.13