Finding the Fourth Proportional to 2,510.21, 3,464.12 and 1,391.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.21 : 3,464.12 = 1,391.17 : x
2. Step 2: Convert to fraction form
   2,510.21/3,464.12 = 1,391.17/x
3. Step 3: Cross multiply
   2,510.21x = 3,464.12 × 1,391.17
4. Step 4: Simplify right side
   2,510.21x = 4,819,179.82
5. Step 5: Solve for x
   x = 4,819,179.82/2,510.21
6. Step 6: Final answer
   x = 1,919.83