Finding the Fourth Proportional to 2,579.22, 3,559.50 and 1,571.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.22 : 3,559.50 = 1,571.34 : x
2. Step 2: Convert to fraction form
   2,579.22/3,559.50 = 1,571.34/x
3. Step 3: Cross multiply
   2,579.22x = 3,559.50 × 1,571.34
4. Step 4: Simplify right side
   2,579.22x = 5,593,184.73
5. Step 5: Solve for x
   x = 5,593,184.73/2,579.22
6. Step 6: Final answer
   x = 2,168.56