Finding the Fourth Proportional to 2,569.50, 3,545.73 and 1,574.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.50 : 3,545.73 = 1,574.37 : x
2. Step 2: Convert to fraction form
   2,569.50/3,545.73 = 1,574.37/x
3. Step 3: Cross multiply
   2,569.50x = 3,545.73 × 1,574.37
4. Step 4: Simplify right side
   2,569.50x = 5,582,290.94
5. Step 5: Solve for x
   x = 5,582,290.94/2,569.50
6. Step 6: Final answer
   x = 2,172.52