Finding the Fourth Proportional to 3,816.41, 5,714.89 and 1,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,816.41 : 5,714.89 = 1,863.50 : x
2. Step 2: Convert to fraction form
   3,816.41/5,714.89 = 1,863.50/x
3. Step 3: Cross multiply
   3,816.41x = 5,714.89 × 1,863.50
4. Step 4: Simplify right side
   3,816.41x = 10,649,697.52
5. Step 5: Solve for x
   x = 10,649,697.52/3,816.41
6. Step 6: Final answer
   x = 2,790.50