Finding the Fourth Proportional to 5,910.78, 8,863.89 and 1,960.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,910.78 : 8,863.89 = 1,960.83 : x
2. Step 2: Convert to fraction form
   5,910.78/8,863.89 = 1,960.83/x
3. Step 3: Cross multiply
   5,910.78x = 8,863.89 × 1,960.83
4. Step 4: Simplify right side
   5,910.78x = 17,380,581.43
5. Step 5: Solve for x
   x = 17,380,581.43/5,910.78
6. Step 6: Final answer
   x = 2,940.49