Finding the Fourth Proportional to 2,544.24, 3,510.78 and 1,425.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.24 : 3,510.78 = 1,425.06 : x
2. Step 2: Convert to fraction form
   2,544.24/3,510.78 = 1,425.06/x
3. Step 3: Cross multiply
   2,544.24x = 3,510.78 × 1,425.06
4. Step 4: Simplify right side
   2,544.24x = 5,003,072.15
5. Step 5: Solve for x
   x = 5,003,072.15/2,544.24
6. Step 6: Final answer
   x = 1,966.43