Finding the Fourth Proportional to 2,559.68, 3,532.30 and 1,425.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.68 : 3,532.30 = 1,425.34 : x
2. Step 2: Convert to fraction form
   2,559.68/3,532.30 = 1,425.34/x
3. Step 3: Cross multiply
   2,559.68x = 3,532.30 × 1,425.34
4. Step 4: Simplify right side
   2,559.68x = 5,034,734.68
5. Step 5: Solve for x
   x = 5,034,734.68/2,559.68
6. Step 6: Final answer
   x = 1,966.94