Finding the Fourth Proportional to 2,579.55, 3,559.85 and 1,517.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.55 : 3,559.85 = 1,517.39 : x
2. Step 2: Convert to fraction form
   2,579.55/3,559.85 = 1,517.39/x
3. Step 3: Cross multiply
   2,579.55x = 3,559.85 × 1,517.39
4. Step 4: Simplify right side
   2,579.55x = 5,401,680.79
5. Step 5: Solve for x
   x = 5,401,680.79/2,579.55
6. Step 6: Final answer
   x = 2,094.04