Finding the Fourth Proportional to 11,105.91, 16,665.75 and 4,532.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.91 : 16,665.75 = 4,532.09 : x
2. Step 2: Convert to fraction form
   11,105.91/16,665.75 = 4,532.09/x
3. Step 3: Cross multiply
   11,105.91x = 16,665.75 × 4,532.09
4. Step 4: Simplify right side
   11,105.91x = 75,530,595.59
5. Step 5: Solve for x
   x = 75,530,595.59/11,105.91
6. Step 6: Final answer
   x = 6,800.94