Finding the Fourth Proportional to 8,144.94, 12,216.42 and 3,466.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.94 : 12,216.42 = 3,466.86 : x
2. Step 2: Convert to fraction form
   8,144.94/12,216.42 = 3,466.86/x
3. Step 3: Cross multiply
   8,144.94x = 12,216.42 × 3,466.86
4. Step 4: Simplify right side
   8,144.94x = 42,352,617.84
5. Step 5: Solve for x
   x = 42,352,617.84/8,144.94
6. Step 6: Final answer
   x = 5,199.87