Finding the Fourth Proportional to 8,043.90, 12,067.76 and 3,361.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,043.90 : 12,067.76 = 3,361.30 : x
2. Step 2: Convert to fraction form
   8,043.90/12,067.76 = 3,361.30/x
3. Step 3: Cross multiply
   8,043.90x = 12,067.76 × 3,361.30
4. Step 4: Simplify right side
   8,043.90x = 40,563,361.69
5. Step 5: Solve for x
   x = 40,563,361.69/8,043.90
6. Step 6: Final answer
   x = 5,042.75