Finding the Fourth Proportional to 11,105.46, 16,647.30 and 5,550.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.46 : 16,647.30 = 5,550.48 : x
2. Step 2: Convert to fraction form
   11,105.46/16,647.30 = 5,550.48/x
3. Step 3: Cross multiply
   11,105.46x = 16,647.30 × 5,550.48
4. Step 4: Simplify right side
   11,105.46x = 92,400,505.70
5. Step 5: Solve for x
   x = 92,400,505.70/11,105.46
6. Step 6: Final answer
   x = 8,320.28