Finding the Fourth Proportional to 2,510.25, 3,464.16 and 1,391.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.25 : 3,464.16 = 1,391.16 : x
2. Step 2: Convert to fraction form
   2,510.25/3,464.16 = 1,391.16/x
3. Step 3: Cross multiply
   2,510.25x = 3,464.16 × 1,391.16
4. Step 4: Simplify right side
   2,510.25x = 4,819,200.83
5. Step 5: Solve for x
   x = 4,819,200.83/2,510.25
6. Step 6: Final answer
   x = 1,919.81