Finding the Fourth Proportional to 1,627.62, 2,443.87 and 1,408.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.62 : 2,443.87 = 1,408.92 : x
2. Step 2: Convert to fraction form
   1,627.62/2,443.87 = 1,408.92/x
3. Step 3: Cross multiply
   1,627.62x = 2,443.87 × 1,408.92
4. Step 4: Simplify right side
   1,627.62x = 3,443,217.32
5. Step 5: Solve for x
   x = 3,443,217.32/1,627.62
6. Step 6: Final answer
   x = 2,115.49