Finding the Fourth Proportional to 21,786.75, 32,676.18 and 5,776.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,786.75 : 32,676.18 = 5,776.38 : x
2. Step 2: Convert to fraction form
   21,786.75/32,676.18 = 5,776.38/x
3. Step 3: Cross multiply
   21,786.75x = 32,676.18 × 5,776.38
4. Step 4: Simplify right side
   21,786.75x = 188,750,032.63
5. Step 5: Solve for x
   x = 188,750,032.63/21,786.75
6. Step 6: Final answer
   x = 8,663.52