Finding the Fourth Proportional to 11,086.56, 16,632.72 and 5,539.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.56 : 16,632.72 = 5,539.68 : x
2. Step 2: Convert to fraction form
   11,086.56/16,632.72 = 5,539.68/x
3. Step 3: Cross multiply
   11,086.56x = 16,632.72 × 5,539.68
4. Step 4: Simplify right side
   11,086.56x = 92,139,890.90
5. Step 5: Solve for x
   x = 92,139,890.90/11,086.56
6. Step 6: Final answer
   x = 8,310.96