Finding the Fourth Proportional to 3,864.92, 5,750.89 and 3,851.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.92 : 5,750.89 = 3,851.96 : x
2. Step 2: Convert to fraction form
   3,864.92/5,750.89 = 3,851.96/x
3. Step 3: Cross multiply
   3,864.92x = 5,750.89 × 3,851.96
4. Step 4: Simplify right side
   3,864.92x = 22,152,198.24
5. Step 5: Solve for x
   x = 22,152,198.24/3,864.92
6. Step 6: Final answer
   x = 5,731.61