Finding the Fourth Proportional to 2,544.60, 3,510.77 and 1,425.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.60 : 3,510.77 = 1,425.36 : x
2. Step 2: Convert to fraction form
   2,544.60/3,510.77 = 1,425.36/x
3. Step 3: Cross multiply
   2,544.60x = 3,510.77 × 1,425.36
4. Step 4: Simplify right side
   2,544.60x = 5,004,104.00
5. Step 5: Solve for x
   x = 5,004,104.00/2,544.60
6. Step 6: Final answer
   x = 1,966.56