Finding the Fourth Proportional to 2,510.75, 3,464.74 and 1,391.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.75 : 3,464.74 = 1,391.74 : x
2. Step 2: Convert to fraction form
   2,510.75/3,464.74 = 1,391.74/x
3. Step 3: Cross multiply
   2,510.75x = 3,464.74 × 1,391.74
4. Step 4: Simplify right side
   2,510.75x = 4,822,017.25
5. Step 5: Solve for x
   x = 4,822,017.25/2,510.75
6. Step 6: Final answer
   x = 1,920.55