Finding the Fourth Proportional to 11,179.38, 16,743.55 and 5,340.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,179.38 : 16,743.55 = 5,340.09 : x
2. Step 2: Convert to fraction form
   11,179.38/16,743.55 = 5,340.09/x
3. Step 3: Cross multiply
   11,179.38x = 16,743.55 × 5,340.09
4. Step 4: Simplify right side
   11,179.38x = 89,412,063.92
5. Step 5: Solve for x
   x = 89,412,063.92/11,179.38
6. Step 6: Final answer
   x = 7,997.94