Finding the Fourth Proportional to 2,560.08, 3,533.10 and 1,441.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.08 : 3,533.10 = 1,441.20 : x
2. Step 2: Convert to fraction form
   2,560.08/3,533.10 = 1,441.20/x
3. Step 3: Cross multiply
   2,560.08x = 3,533.10 × 1,441.20
4. Step 4: Simplify right side
   2,560.08x = 5,091,903.72
5. Step 5: Solve for x
   x = 5,091,903.72/2,560.08
6. Step 6: Final answer
   x = 1,988.96