Finding the Fourth Proportional to 2,579.60, 3,555.94 and 1,584.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.60 : 3,555.94 = 1,584.10 : x
2. Step 2: Convert to fraction form
   2,579.60/3,555.94 = 1,584.10/x
3. Step 3: Cross multiply
   2,579.60x = 3,555.94 × 1,584.10
4. Step 4: Simplify right side
   2,579.60x = 5,632,964.55
5. Step 5: Solve for x
   x = 5,632,964.55/2,579.60
6. Step 6: Final answer
   x = 2,183.66