Finding the Fourth Proportional to 2,560.89, 3,533.94 and 1,441.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.89 : 3,533.94 = 1,441.86 : x
2. Step 2: Convert to fraction form
   2,560.89/3,533.94 = 1,441.86/x
3. Step 3: Cross multiply
   2,560.89x = 3,533.94 × 1,441.86
4. Step 4: Simplify right side
   2,560.89x = 5,095,446.73
5. Step 5: Solve for x
   x = 5,095,446.73/2,560.89
6. Step 6: Final answer
   x = 1,989.72