Finding the Fourth Proportional to 2,544.39, 3,511.05 and 1,425.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.39 : 3,511.05 = 1,425.07 : x
2. Step 2: Convert to fraction form
   2,544.39/3,511.05 = 1,425.07/x
3. Step 3: Cross multiply
   2,544.39x = 3,511.05 × 1,425.07
4. Step 4: Simplify right side
   2,544.39x = 5,003,492.02
5. Step 5: Solve for x
   x = 5,003,492.02/2,544.39
6. Step 6: Final answer
   x = 1,966.48