Finding the Fourth Proportional to 2,560.38, 3,533.43 and 1,441.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.38 : 3,533.43 = 1,441.31 : x
2. Step 2: Convert to fraction form
   2,560.38/3,533.43 = 1,441.31/x
3. Step 3: Cross multiply
   2,560.38x = 3,533.43 × 1,441.31
4. Step 4: Simplify right side
   2,560.38x = 5,092,760.79
5. Step 5: Solve for x
   x = 5,092,760.79/2,560.38
6. Step 6: Final answer
   x = 1,989.06