Finding the Fourth Proportional to 2,544.47, 3,511.58 and 1,425.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.47 : 3,511.58 = 1,425.39 : x
2. Step 2: Convert to fraction form
   2,544.47/3,511.58 = 1,425.39/x
3. Step 3: Cross multiply
   2,544.47x = 3,511.58 × 1,425.39
4. Step 4: Simplify right side
   2,544.47x = 5,005,363.89
5. Step 5: Solve for x
   x = 5,005,363.89/2,544.47
6. Step 6: Final answer
   x = 1,967.16