Finding the Fourth Proportional to 2,510.34, 3,464.23 and 1,391.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.34 : 3,464.23 = 1,391.28 : x
2. Step 2: Convert to fraction form
   2,510.34/3,464.23 = 1,391.28/x
3. Step 3: Cross multiply
   2,510.34x = 3,464.23 × 1,391.28
4. Step 4: Simplify right side
   2,510.34x = 4,819,696.59
5. Step 5: Solve for x
   x = 4,819,696.59/2,510.34
6. Step 6: Final answer
   x = 1,919.94