Finding the Fourth Proportional to 2,579.34, 3,559.55 and 1,584.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.34 : 3,559.55 = 1,584.05 : x
2. Step 2: Convert to fraction form
   2,579.34/3,559.55 = 1,584.05/x
3. Step 3: Cross multiply
   2,579.34x = 3,559.55 × 1,584.05
4. Step 4: Simplify right side
   2,579.34x = 5,638,479.46
5. Step 5: Solve for x
   x = 5,638,479.46/2,579.34
6. Step 6: Final answer
   x = 2,186.02