Finding the Fourth Proportional to 3,924.50, 5,871.63 and 3,896.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924.50 : 5,871.63 = 3,896.42 : x
2. Step 2: Convert to fraction form
   3,924.50/5,871.63 = 3,896.42/x
3. Step 3: Cross multiply
   3,924.50x = 5,871.63 × 3,896.42
4. Step 4: Simplify right side
   3,924.50x = 22,878,336.56
5. Step 5: Solve for x
   x = 22,878,336.56/3,924.50
6. Step 6: Final answer
   x = 5,829.62