Finding the Fourth Proportional to 2,510.42, 3,464.29 and 1,391.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.42 : 3,464.29 = 1,391.46 : x
2. Step 2: Convert to fraction form
   2,510.42/3,464.29 = 1,391.46/x
3. Step 3: Cross multiply
   2,510.42x = 3,464.29 × 1,391.46
4. Step 4: Simplify right side
   2,510.42x = 4,820,408.38
5. Step 5: Solve for x
   x = 4,820,408.38/2,510.42
6. Step 6: Final answer
   x = 1,920.16