Finding the Fourth Proportional to 2,545.86, 3,513.35 and 1,426.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.86 : 3,513.35 = 1,426.83 : x
2. Step 2: Convert to fraction form
   2,545.86/3,513.35 = 1,426.83/x
3. Step 3: Cross multiply
   2,545.86x = 3,513.35 × 1,426.83
4. Step 4: Simplify right side
   2,545.86x = 5,012,946.05
5. Step 5: Solve for x
   x = 5,012,946.05/2,545.86
6. Step 6: Final answer
   x = 1,969.06