Finding the Fourth Proportional to 8,150.40, 12,229.72 and 3,771

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.40 : 12,229.72 = 3,771 : x
2. Step 2: Convert to fraction form
   8,150.40/12,229.72 = 3,771/x
3. Step 3: Cross multiply
   8,150.40x = 12,229.72 × 3,771
4. Step 4: Simplify right side
   8,150.40x = 46,118,264.69
5. Step 5: Solve for x
   x = 46,118,264.69/8,150.40
6. Step 6: Final answer
   x = 5,658.41