Finding the Fourth Proportional to 2,559.52, 3,531.35 and 1,563.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.52 : 3,531.35 = 1,563.74 : x
2. Step 2: Convert to fraction form
   2,559.52/3,531.35 = 1,563.74/x
3. Step 3: Cross multiply
   2,559.52x = 3,531.35 × 1,563.74
4. Step 4: Simplify right side
   2,559.52x = 5,522,099.50
5. Step 5: Solve for x
   x = 5,522,099.50/2,559.52
6. Step 6: Final answer
   x = 2,157.48