Finding the Fourth Proportional to 2,560.60, 3,533.60 and 1,426.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.60 : 3,533.60 = 1,426.27 : x
2. Step 2: Convert to fraction form
   2,560.60/3,533.60 = 1,426.27/x
3. Step 3: Cross multiply
   2,560.60x = 3,533.60 × 1,426.27
4. Step 4: Simplify right side
   2,560.60x = 5,039,860.54
5. Step 5: Solve for x
   x = 5,039,860.54/2,560.60
6. Step 6: Final answer
   x = 1,968.23