Finding the Fourth Proportional to 11,080.05, 16,610.49 and 5,527.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,080.05 : 16,610.49 = 5,527.77 : x
2. Step 2: Convert to fraction form
   11,080.05/16,610.49 = 5,527.77/x
3. Step 3: Cross multiply
   11,080.05x = 16,610.49 × 5,527.77
4. Step 4: Simplify right side
   11,080.05x = 91,818,968.31
5. Step 5: Solve for x
   x = 91,818,968.31/11,080.05
6. Step 6: Final answer
   x = 8,286.87