Finding the Fourth Proportional to 10,441.81, 15,662.42 and 3,867.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,441.81 : 15,662.42 = 3,867.85 : x
2. Step 2: Convert to fraction form
   10,441.81/15,662.42 = 3,867.85/x
3. Step 3: Cross multiply
   10,441.81x = 15,662.42 × 3,867.85
4. Step 4: Simplify right side
   10,441.81x = 60,579,871.86
5. Step 5: Solve for x
   x = 60,579,871.86/10,441.81
6. Step 6: Final answer
   x = 5,801.66