Finding the Fourth Proportional to 11,081.16, 16,609.86 and 5,523.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.16 : 16,609.86 = 5,523.54 : x
2. Step 2: Convert to fraction form
   11,081.16/16,609.86 = 5,523.54/x
3. Step 3: Cross multiply
   11,081.16x = 16,609.86 × 5,523.54
4. Step 4: Simplify right side
   11,081.16x = 91,745,226.10
5. Step 5: Solve for x
   x = 91,745,226.10/11,081.16
6. Step 6: Final answer
   x = 8,279.39