Finding the Fourth Proportional to 21,786.65, 32,673.41 and 7,744.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,786.65 : 32,673.41 = 7,744.82 : x
2. Step 2: Convert to fraction form
   21,786.65/32,673.41 = 7,744.82/x
3. Step 3: Cross multiply
   21,786.65x = 32,673.41 × 7,744.82
4. Step 4: Simplify right side
   21,786.65x = 253,049,477.15
5. Step 5: Solve for x
   x = 253,049,477.15/21,786.65
6. Step 6: Final answer
   x = 11,614.89