Finding the Fourth Proportional to 10,198.24, 14,073.48 and 5,721.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.24 : 14,073.48 = 5,721.89 : x
2. Step 2: Convert to fraction form
   10,198.24/14,073.48 = 5,721.89/x
3. Step 3: Cross multiply
   10,198.24x = 14,073.48 × 5,721.89
4. Step 4: Simplify right side
   10,198.24x = 80,526,904.48
5. Step 5: Solve for x
   x = 80,526,904.48/10,198.24
6. Step 6: Final answer
   x = 7,896.16