Finding the Fourth Proportional to 10,198.62, 14,073.89 and 5,722.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.62 : 14,073.89 = 5,722.38 : x
2. Step 2: Convert to fraction form
   10,198.62/14,073.89 = 5,722.38/x
3. Step 3: Cross multiply
   10,198.62x = 14,073.89 × 5,722.38
4. Step 4: Simplify right side
   10,198.62x = 80,536,118.05
5. Step 5: Solve for x
   x = 80,536,118.05/10,198.62
6. Step 6: Final answer
   x = 7,896.77