Finding the Fourth Proportional to 2,876.94, 4,315.46 and 1,231.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.94 : 4,315.46 = 1,231.83 : x
2. Step 2: Convert to fraction form
   2,876.94/4,315.46 = 1,231.83/x
3. Step 3: Cross multiply
   2,876.94x = 4,315.46 × 1,231.83
4. Step 4: Simplify right side
   2,876.94x = 5,315,906.93
5. Step 5: Solve for x
   x = 5,315,906.93/2,876.94
6. Step 6: Final answer
   x = 1,847.76