Finding the Fourth Proportional to 11,079.54, 16,610.67 and 5,530.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.54 : 16,610.67 = 5,530.10 : x
2. Step 2: Convert to fraction form
   11,079.54/16,610.67 = 5,530.10/x
3. Step 3: Cross multiply
   11,079.54x = 16,610.67 × 5,530.10
4. Step 4: Simplify right side
   11,079.54x = 91,858,583.11
5. Step 5: Solve for x
   x = 91,858,583.11/11,079.54
6. Step 6: Final answer
   x = 8,290.83