Finding the Fourth Proportional to 2,469.79, 3,408.21 and 1,350.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.79 : 3,408.21 = 1,350.71 : x
2. Step 2: Convert to fraction form
   2,469.79/3,408.21 = 1,350.71/x
3. Step 3: Cross multiply
   2,469.79x = 3,408.21 × 1,350.71
4. Step 4: Simplify right side
   2,469.79x = 4,603,499.07
5. Step 5: Solve for x
   x = 4,603,499.07/2,469.79
6. Step 6: Final answer
   x = 1,863.92