Finding the Fourth Proportional to 2,560.76, 3,534.05 and 1,441.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.76 : 3,534.05 = 1,441.63 : x
2. Step 2: Convert to fraction form
   2,560.76/3,534.05 = 1,441.63/x
3. Step 3: Cross multiply
   2,560.76x = 3,534.05 × 1,441.63
4. Step 4: Simplify right side
   2,560.76x = 5,094,767.62
5. Step 5: Solve for x
   x = 5,094,767.62/2,560.76
6. Step 6: Final answer
   x = 1,989.56