Finding the Fourth Proportional to 11,883.78, 16,399.89 and 6,578.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,883.78 : 16,399.89 = 6,578.82 : x
2. Step 2: Convert to fraction form
   11,883.78/16,399.89 = 6,578.82/x
3. Step 3: Cross multiply
   11,883.78x = 16,399.89 × 6,578.82
4. Step 4: Simplify right side
   11,883.78x = 107,891,924.33
5. Step 5: Solve for x
   x = 107,891,924.33/11,883.78
6. Step 6: Final answer
   x = 9,078.92