Finding the Fourth Proportional to 21,801.12, 30,028.25 and 16,755.71

Step by Step Solution

1. Step 1: Write the proportion equation
   21,801.12 : 30,028.25 = 16,755.71 : x
2. Step 2: Convert to fraction form
   21,801.12/30,028.25 = 16,755.71/x
3. Step 3: Cross multiply
   21,801.12x = 30,028.25 × 16,755.71
4. Step 4: Simplify right side
   21,801.12x = 503,144,414.89
5. Step 5: Solve for x
   x = 503,144,414.89/21,801.12
6. Step 6: Final answer
   x = 23,078.83