Finding the Fourth Proportional to 2,579.57, 3,559.74 and 1,517.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.57 : 3,559.74 = 1,517.35 : x
2. Step 2: Convert to fraction form
   2,579.57/3,559.74 = 1,517.35/x
3. Step 3: Cross multiply
   2,579.57x = 3,559.74 × 1,517.35
4. Step 4: Simplify right side
   2,579.57x = 5,401,371.49
5. Step 5: Solve for x
   x = 5,401,371.49/2,579.57
6. Step 6: Final answer
   x = 2,093.90