Finding the Fourth Proportional to 2,626.39, 3,625.46 and 1,578.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.39 : 3,625.46 = 1,578.25 : x
2. Step 2: Convert to fraction form
   2,626.39/3,625.46 = 1,578.25/x
3. Step 3: Cross multiply
   2,626.39x = 3,625.46 × 1,578.25
4. Step 4: Simplify right side
   2,626.39x = 5,721,882.25
5. Step 5: Solve for x
   x = 5,721,882.25/2,626.39
6. Step 6: Final answer
   x = 2,178.61