Finding the Fourth Proportional to 2,560.59, 3,533.62 and 1,441.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.59 : 3,533.62 = 1,441.55 : x
2. Step 2: Convert to fraction form
   2,560.59/3,533.62 = 1,441.55/x
3. Step 3: Cross multiply
   2,560.59x = 3,533.62 × 1,441.55
4. Step 4: Simplify right side
   2,560.59x = 5,093,868.64
5. Step 5: Solve for x
   x = 5,093,868.64/2,560.59
6. Step 6: Final answer
   x = 1,989.33