Finding the Fourth Proportional to 21,443.73, 29,570.04 and 16,960.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,443.73 : 29,570.04 = 16,960.38 : x
2. Step 2: Convert to fraction form
   21,443.73/29,570.04 = 16,960.38/x
3. Step 3: Cross multiply
   21,443.73x = 29,570.04 × 16,960.38
4. Step 4: Simplify right side
   21,443.73x = 501,519,115.02
5. Step 5: Solve for x
   x = 501,519,115.02/21,443.73
6. Step 6: Final answer
   x = 23,387.68