Finding the Fourth Proportional to 6,147.27, 8,480.70 and 3,790.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,147.27 : 8,480.70 = 3,790.71 : x
2. Step 2: Convert to fraction form
   6,147.27/8,480.70 = 3,790.71/x
3. Step 3: Cross multiply
   6,147.27x = 8,480.70 × 3,790.71
4. Step 4: Simplify right side
   6,147.27x = 32,147,874.30
5. Step 5: Solve for x
   x = 32,147,874.30/6,147.27
6. Step 6: Final answer
   x = 5,229.62