Finding the Fourth Proportional to 3,850.82, 5,336.45 and 3,777

Step by Step Solution

1. Step 1: Write the proportion equation
   3,850.82 : 5,336.45 = 3,777 : x
2. Step 2: Convert to fraction form
   3,850.82/5,336.45 = 3,777/x
3. Step 3: Cross multiply
   3,850.82x = 5,336.45 × 3,777
4. Step 4: Simplify right side
   3,850.82x = 20,155,771.65
5. Step 5: Solve for x
   x = 20,155,771.65/3,850.82
6. Step 6: Final answer
   x = 5,234.15