Finding the Fourth Proportional to 2,569.30, 3,545.70 and 1,520.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.30 : 3,545.70 = 1,520.76 : x
2. Step 2: Convert to fraction form
   2,569.30/3,545.70 = 1,520.76/x
3. Step 3: Cross multiply
   2,569.30x = 3,545.70 × 1,520.76
4. Step 4: Simplify right side
   2,569.30x = 5,392,158.73
5. Step 5: Solve for x
   x = 5,392,158.73/2,569.30
6. Step 6: Final answer
   x = 2,098.69