Finding the Fourth Proportional to 2,560.74, 3,533.67 and 1,441.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.74 : 3,533.67 = 1,441.72 : x
2. Step 2: Convert to fraction form
   2,560.74/3,533.67 = 1,441.72/x
3. Step 3: Cross multiply
   2,560.74x = 3,533.67 × 1,441.72
4. Step 4: Simplify right side
   2,560.74x = 5,094,562.71
5. Step 5: Solve for x
   x = 5,094,562.71/2,560.74
6. Step 6: Final answer
   x = 1,989.49