Finding the Fourth Proportional to 11,658.48, 16,081.56 and 7,183.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,658.48 : 16,081.56 = 7,183.92 : x
2. Step 2: Convert to fraction form
   11,658.48/16,081.56 = 7,183.92/x
3. Step 3: Cross multiply
   11,658.48x = 16,081.56 × 7,183.92
4. Step 4: Simplify right side
   11,658.48x = 115,528,640.52
5. Step 5: Solve for x
   x = 115,528,640.52/11,658.48
6. Step 6: Final answer
   x = 9,909.41