Finding the Fourth Proportional to 8,046.88, 12,067.36 and 2,780.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,046.88 : 12,067.36 = 2,780.54 : x
2. Step 2: Convert to fraction form
   8,046.88/12,067.36 = 2,780.54/x
3. Step 3: Cross multiply
   8,046.88x = 12,067.36 × 2,780.54
4. Step 4: Simplify right side
   8,046.88x = 33,553,763.27
5. Step 5: Solve for x
   x = 33,553,763.27/8,046.88
6. Step 6: Final answer
   x = 4,169.79