Finding the Fourth Proportional to 2,579.34, 3,559.49 and 1,531.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.34 : 3,559.49 = 1,531.41 : x
2. Step 2: Convert to fraction form
   2,579.34/3,559.49 = 1,531.41/x
3. Step 3: Cross multiply
   2,579.34x = 3,559.49 × 1,531.41
4. Step 4: Simplify right side
   2,579.34x = 5,451,031.93
5. Step 5: Solve for x
   x = 5,451,031.93/2,579.34
6. Step 6: Final answer
   x = 2,113.34