Finding the Fourth Proportional to 2,470.29, 3,408.63 and 1,408.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.29 : 3,408.63 = 1,408.15 : x
2. Step 2: Convert to fraction form
   2,470.29/3,408.63 = 1,408.15/x
3. Step 3: Cross multiply
   2,470.29x = 3,408.63 × 1,408.15
4. Step 4: Simplify right side
   2,470.29x = 4,799,854.17
5. Step 5: Solve for x
   x = 4,799,854.17/2,470.29
6. Step 6: Final answer
   x = 1,943.03