Finding the Fourth Proportional to 11,789.61, 16,269.92 and 6,484.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,789.61 : 16,269.92 = 6,484.69 : x
2. Step 2: Convert to fraction form
   11,789.61/16,269.92 = 6,484.69/x
3. Step 3: Cross multiply
   11,789.61x = 16,269.92 × 6,484.69
4. Step 4: Simplify right side
   11,789.61x = 105,505,355.10
5. Step 5: Solve for x
   x = 105,505,355.10/11,789.61
6. Step 6: Final answer
   x = 8,949.02