Finding the Fourth Proportional to 11,091.92, 16,587.34 and 8,282.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.92 : 16,587.34 = 8,282.73 : x
2. Step 2: Convert to fraction form
   11,091.92/16,587.34 = 8,282.73/x
3. Step 3: Cross multiply
   11,091.92x = 16,587.34 × 8,282.73
4. Step 4: Simplify right side
   11,091.92x = 137,388,383.47
5. Step 5: Solve for x
   x = 137,388,383.47/11,091.92
6. Step 6: Final answer
   x = 12,386.35