Finding the Fourth Proportional to 8,131.94, 12,198.48 and 3,451.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.94 : 12,198.48 = 3,451.41 : x
2. Step 2: Convert to fraction form
   8,131.94/12,198.48 = 3,451.41/x
3. Step 3: Cross multiply
   8,131.94x = 12,198.48 × 3,451.41
4. Step 4: Simplify right side
   8,131.94x = 42,101,962.33
5. Step 5: Solve for x
   x = 42,101,962.33/8,131.94
6. Step 6: Final answer
   x = 5,177.35