Finding the Fourth Proportional to 21,448.29, 32,168.49 and 5,865.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,448.29 : 32,168.49 = 5,865.78 : x
2. Step 2: Convert to fraction form
   21,448.29/32,168.49 = 5,865.78/x
3. Step 3: Cross multiply
   21,448.29x = 32,168.49 × 5,865.78
4. Step 4: Simplify right side
   21,448.29x = 188,693,285.27
5. Step 5: Solve for x
   x = 188,693,285.27/21,448.29
6. Step 6: Final answer
   x = 8,797.59