Finding the Fourth Proportional to 2,560.56, 3,533.64 and 1,441.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.56 : 3,533.64 = 1,441.71 : x
2. Step 2: Convert to fraction form
   2,560.56/3,533.64 = 1,441.71/x
3. Step 3: Cross multiply
   2,560.56x = 3,533.64 × 1,441.71
4. Step 4: Simplify right side
   2,560.56x = 5,094,484.12
5. Step 5: Solve for x
   x = 5,094,484.12/2,560.56
6. Step 6: Final answer
   x = 1,989.60