Finding the Fourth Proportional to 2,544.78, 3,511.50 and 1,425.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.78 : 3,511.50 = 1,425.78 : x
2. Step 2: Convert to fraction form
   2,544.78/3,511.50 = 1,425.78/x
3. Step 3: Cross multiply
   2,544.78x = 3,511.50 × 1,425.78
4. Step 4: Simplify right side
   2,544.78x = 5,006,626.47
5. Step 5: Solve for x
   x = 5,006,626.47/2,544.78
6. Step 6: Final answer
   x = 1,967.41