Finding the Fourth Proportional to 10,196.38, 14,072.07 and 5,721.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.38 : 14,072.07 = 5,721.34 : x
2. Step 2: Convert to fraction form
   10,196.38/14,072.07 = 5,721.34/x
3. Step 3: Cross multiply
   10,196.38x = 14,072.07 × 5,721.34
4. Step 4: Simplify right side
   10,196.38x = 80,511,096.97
5. Step 5: Solve for x
   x = 80,511,096.97/10,196.38
6. Step 6: Final answer
   x = 7,896.05