Finding the Fourth Proportional to 2,544.47, 3,511.34 and 1,425.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.47 : 3,511.34 = 1,425.40 : x
2. Step 2: Convert to fraction form
   2,544.47/3,511.34 = 1,425.40/x
3. Step 3: Cross multiply
   2,544.47x = 3,511.34 × 1,425.40
4. Step 4: Simplify right side
   2,544.47x = 5,005,064.04
5. Step 5: Solve for x
   x = 5,005,064.04/2,544.47
6. Step 6: Final answer
   x = 1,967.04