Finding the Fourth Proportional to 21,072.24, 31,625.22 and 10,541.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,072.24 : 31,625.22 = 10,541.83 : x
2. Step 2: Convert to fraction form
   21,072.24/31,625.22 = 10,541.83/x
3. Step 3: Cross multiply
   21,072.24x = 31,625.22 × 10,541.83
4. Step 4: Simplify right side
   21,072.24x = 333,387,692.95
5. Step 5: Solve for x
   x = 333,387,692.95/21,072.24
6. Step 6: Final answer
   x = 15,821.18