Finding the Fourth Proportional to 8,147.79, 12,217.43 and 3,768.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147.79 : 12,217.43 = 3,768.32 : x
2. Step 2: Convert to fraction form
   8,147.79/12,217.43 = 3,768.32/x
3. Step 3: Cross multiply
   8,147.79x = 12,217.43 × 3,768.32
4. Step 4: Simplify right side
   8,147.79x = 46,039,225.78
5. Step 5: Solve for x
   x = 46,039,225.78/8,147.79
6. Step 6: Final answer
   x = 5,650.52