Finding the Fourth Proportional to 8,046.71, 12,067.10 and 2,780.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,046.71 : 12,067.10 = 2,780.37 : x
2. Step 2: Convert to fraction form
   8,046.71/12,067.10 = 2,780.37/x
3. Step 3: Cross multiply
   8,046.71x = 12,067.10 × 2,780.37
4. Step 4: Simplify right side
   8,046.71x = 33,550,988.93
5. Step 5: Solve for x
   x = 33,550,988.93/8,046.71
6. Step 6: Final answer
   x = 4,169.53