Finding the Fourth Proportional to 2,544.72, 3,511.88 and 1,425.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.72 : 3,511.88 = 1,425.62 : x
2. Step 2: Convert to fraction form
   2,544.72/3,511.88 = 1,425.62/x
3. Step 3: Cross multiply
   2,544.72x = 3,511.88 × 1,425.62
4. Step 4: Simplify right side
   2,544.72x = 5,006,606.37
5. Step 5: Solve for x
   x = 5,006,606.37/2,544.72
6. Step 6: Final answer
   x = 1,967.45