Finding the Fourth Proportional to 11,086.92, 16,632.42 and 3,690.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.92 : 16,632.42 = 3,690.68 : x
2. Step 2: Convert to fraction form
   11,086.92/16,632.42 = 3,690.68/x
3. Step 3: Cross multiply
   11,086.92x = 16,632.42 × 3,690.68
4. Step 4: Simplify right side
   11,086.92x = 61,384,939.85
5. Step 5: Solve for x
   x = 61,384,939.85/11,086.92
6. Step 6: Final answer
   x = 5,536.70