Finding the Fourth Proportional to 2,510.39, 3,464.37 and 1,391.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.39 : 3,464.37 = 1,391.35 : x
2. Step 2: Convert to fraction form
   2,510.39/3,464.37 = 1,391.35/x
3. Step 3: Cross multiply
   2,510.39x = 3,464.37 × 1,391.35
4. Step 4: Simplify right side
   2,510.39x = 4,820,159.86
5. Step 5: Solve for x
   x = 4,820,159.86/2,510.39
6. Step 6: Final answer
   x = 1,920.08