Finding the Fourth Proportional to 10,198.26, 14,072.27 and 5,721.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.26 : 14,072.27 = 5,721.99 : x
2. Step 2: Convert to fraction form
   10,198.26/14,072.27 = 5,721.99/x
3. Step 3: Cross multiply
   10,198.26x = 14,072.27 × 5,721.99
4. Step 4: Simplify right side
   10,198.26x = 80,521,359.61
5. Step 5: Solve for x
   x = 80,521,359.61/10,198.26
6. Step 6: Final answer
   x = 7,895.60