Finding the Fourth Proportional to 2,544.22, 3,510.72 and 1,425.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.22 : 3,510.72 = 1,425.05 : x
2. Step 2: Convert to fraction form
   2,544.22/3,510.72 = 1,425.05/x
3. Step 3: Cross multiply
   2,544.22x = 3,510.72 × 1,425.05
4. Step 4: Simplify right side
   2,544.22x = 5,002,951.54
5. Step 5: Solve for x
   x = 5,002,951.54/2,544.22
6. Step 6: Final answer
   x = 1,966.40