Finding the Fourth Proportional to 10,198.43, 14,073.74 and 5,722.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.43 : 14,073.74 = 5,722.18 : x
2. Step 2: Convert to fraction form
   10,198.43/14,073.74 = 5,722.18/x
3. Step 3: Cross multiply
   10,198.43x = 14,073.74 × 5,722.18
4. Step 4: Simplify right side
   10,198.43x = 80,532,452.67
5. Step 5: Solve for x
   x = 80,532,452.67/10,198.43
6. Step 6: Final answer
   x = 7,896.56