Finding the Fourth Proportional to 2,581.60, 3,569.52 and 2,253.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.60 : 3,569.52 = 2,253.56 : x
2. Step 2: Convert to fraction form
   2,581.60/3,569.52 = 2,253.56/x
3. Step 3: Cross multiply
   2,581.60x = 3,569.52 × 2,253.56
4. Step 4: Simplify right side
   2,581.60x = 8,044,127.49
5. Step 5: Solve for x
   x = 8,044,127.49/2,581.60
6. Step 6: Final answer
   x = 3,115.95