Finding the Fourth Proportional to 5,101.86, 7,039.68 and 2,863.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,101.86 : 7,039.68 = 2,863.83 : x
2. Step 2: Convert to fraction form
   5,101.86/7,039.68 = 2,863.83/x
3. Step 3: Cross multiply
   5,101.86x = 7,039.68 × 2,863.83
4. Step 4: Simplify right side
   5,101.86x = 20,160,414.86
5. Step 5: Solve for x
   x = 20,160,414.86/5,101.86
6. Step 6: Final answer
   x = 3,951.58