Finding the Fourth Proportional to 2,470.48, 3,408.92 and 1,408.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.48 : 3,408.92 = 1,408.12 : x
2. Step 2: Convert to fraction form
   2,470.48/3,408.92 = 1,408.12/x
3. Step 3: Cross multiply
   2,470.48x = 3,408.92 × 1,408.12
4. Step 4: Simplify right side
   2,470.48x = 4,800,168.43
5. Step 5: Solve for x
   x = 4,800,168.43/2,470.48
6. Step 6: Final answer
   x = 1,943.01