Finding the Fourth Proportional to 10,288.69, 14,198.28 and 5,812.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.69 : 14,198.28 = 5,812.43 : x
2. Step 2: Convert to fraction form
   10,288.69/14,198.28 = 5,812.43/x
3. Step 3: Cross multiply
   10,288.69x = 14,198.28 × 5,812.43
4. Step 4: Simplify right side
   10,288.69x = 82,526,508.62
5. Step 5: Solve for x
   x = 82,526,508.62/10,288.69
6. Step 6: Final answer
   x = 8,021.09