Finding the Fourth Proportional to 10,844.72, 16,183.98 and 9,678.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,844.72 : 16,183.98 = 9,678.32 : x
2. Step 2: Convert to fraction form
   10,844.72/16,183.98 = 9,678.32/x
3. Step 3: Cross multiply
   10,844.72x = 16,183.98 × 9,678.32
4. Step 4: Simplify right side
   10,844.72x = 156,633,737.31
5. Step 5: Solve for x
   x = 156,633,737.31/10,844.72
6. Step 6: Final answer
   x = 14,443.32