Finding the Fourth Proportional to 21,229.97, 31,843.98 and 5,647.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,229.97 : 31,843.98 = 5,647.59 : x
2. Step 2: Convert to fraction form
   21,229.97/31,843.98 = 5,647.59/x
3. Step 3: Cross multiply
   21,229.97x = 31,843.98 × 5,647.59
4. Step 4: Simplify right side
   21,229.97x = 179,841,743.01
5. Step 5: Solve for x
   x = 179,841,743.01/21,229.97
6. Step 6: Final answer
   x = 8,471.13