Finding the Fourth Proportional to 2,560.29, 3,532.94 and 1,441.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.29 : 3,532.94 = 1,441.28 : x
2. Step 2: Convert to fraction form
   2,560.29/3,532.94 = 1,441.28/x
3. Step 3: Cross multiply
   2,560.29x = 3,532.94 × 1,441.28
4. Step 4: Simplify right side
   2,560.29x = 5,091,930.89
5. Step 5: Solve for x
   x = 5,091,930.89/2,560.29
6. Step 6: Final answer
   x = 1,988.81