Finding the Fourth Proportional to 16,743.96, 23,109.85 and 11,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,743.96 : 23,109.85 = 11,078.82 : x
2. Step 2: Convert to fraction form
   16,743.96/23,109.85 = 11,078.82/x
3. Step 3: Cross multiply
   16,743.96x = 23,109.85 × 11,078.82
4. Step 4: Simplify right side
   16,743.96x = 256,029,868.38
5. Step 5: Solve for x
   x = 256,029,868.38/16,743.96
6. Step 6: Final answer
   x = 15,290.88