Finding the Fourth Proportional to 2,510.86, 3,464.93 and 1,391.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.86 : 3,464.93 = 1,391.79 : x
2. Step 2: Convert to fraction form
   2,510.86/3,464.93 = 1,391.79/x
3. Step 3: Cross multiply
   2,510.86x = 3,464.93 × 1,391.79
4. Step 4: Simplify right side
   2,510.86x = 4,822,434.12
5. Step 5: Solve for x
   x = 4,822,434.12/2,510.86
6. Step 6: Final answer
   x = 1,920.63