Finding the Fourth Proportional to 2,510.49, 3,464.61 and 1,391.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.49 : 3,464.61 = 1,391.49 : x
2. Step 2: Convert to fraction form
   2,510.49/3,464.61 = 1,391.49/x
3. Step 3: Cross multiply
   2,510.49x = 3,464.61 × 1,391.49
4. Step 4: Simplify right side
   2,510.49x = 4,820,970.17
5. Step 5: Solve for x
   x = 4,820,970.17/2,510.49
6. Step 6: Final answer
   x = 1,920.33