Finding the Fourth Proportional to 21,550.72, 32,325.98 and 5,540.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,550.72 : 32,325.98 = 5,540.24 : x
2. Step 2: Convert to fraction form
   21,550.72/32,325.98 = 5,540.24/x
3. Step 3: Cross multiply
   21,550.72x = 32,325.98 × 5,540.24
4. Step 4: Simplify right side
   21,550.72x = 179,093,659.73
5. Step 5: Solve for x
   x = 179,093,659.73/21,550.72
6. Step 6: Final answer
   x = 8,310.33