Finding the Fourth Proportional to 10,789.04, 16,162.83 and 6,616.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.04 : 16,162.83 = 6,616.89 : x
2. Step 2: Convert to fraction form
   10,789.04/16,162.83 = 6,616.89/x
3. Step 3: Cross multiply
   10,789.04x = 16,162.83 × 6,616.89
4. Step 4: Simplify right side
   10,789.04x = 106,947,587.38
5. Step 5: Solve for x
   x = 106,947,587.38/10,789.04
6. Step 6: Final answer
   x = 9,912.61