Finding the Fourth Proportional to 21,717.82, 32,578.71 and 7,676.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,717.82 : 32,578.71 = 7,676.37 : x
2. Step 2: Convert to fraction form
   21,717.82/32,578.71 = 7,676.37/x
3. Step 3: Cross multiply
   21,717.82x = 32,578.71 × 7,676.37
4. Step 4: Simplify right side
   21,717.82x = 250,086,203.30
5. Step 5: Solve for x
   x = 250,086,203.30/21,717.82
6. Step 6: Final answer
   x = 11,515.25