Finding the Fourth Proportional to 11,324.37, 16,960.69 and 5,405.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,324.37 : 16,960.69 = 5,405.42 : x
2. Step 2: Convert to fraction form
   11,324.37/16,960.69 = 5,405.42/x
3. Step 3: Cross multiply
   11,324.37x = 16,960.69 × 5,405.42
4. Step 4: Simplify right side
   11,324.37x = 91,679,652.94
5. Step 5: Solve for x
   x = 91,679,652.94/11,324.37
6. Step 6: Final answer
   x = 8,095.78