Finding the Fourth Proportional to 2,544.45, 3,511.59 and 1,425.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.45 : 3,511.59 = 1,425.39 : x
2. Step 2: Convert to fraction form
   2,544.45/3,511.59 = 1,425.39/x
3. Step 3: Cross multiply
   2,544.45x = 3,511.59 × 1,425.39
4. Step 4: Simplify right side
   2,544.45x = 5,005,385.27
5. Step 5: Solve for x
   x = 5,005,385.27/2,544.45
6. Step 6: Final answer
   x = 1,967.18