Finding the Fourth Proportional to 2,510.53, 3,464.81 and 1,391.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.53 : 3,464.81 = 1,391.56 : x
2. Step 2: Convert to fraction form
   2,510.53/3,464.81 = 1,391.56/x
3. Step 3: Cross multiply
   2,510.53x = 3,464.81 × 1,391.56
4. Step 4: Simplify right side
   2,510.53x = 4,821,491.00
5. Step 5: Solve for x
   x = 4,821,491.00/2,510.53
6. Step 6: Final answer
   x = 1,920.51