Finding the Fourth Proportional to 11,086.27, 16,629.54 and 3,690.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.27 : 16,629.54 = 3,690.73 : x
2. Step 2: Convert to fraction form
   11,086.27/16,629.54 = 3,690.73/x
3. Step 3: Cross multiply
   11,086.27x = 16,629.54 × 3,690.73
4. Step 4: Simplify right side
   11,086.27x = 61,375,142.16
5. Step 5: Solve for x
   x = 61,375,142.16/11,086.27
6. Step 6: Final answer
   x = 5,536.14