Finding the Fourth Proportional to 10,896.86, 16,345.50 and 3,105.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,896.86 : 16,345.50 = 3,105.92 : x
2. Step 2: Convert to fraction form
   10,896.86/16,345.50 = 3,105.92/x
3. Step 3: Cross multiply
   10,896.86x = 16,345.50 × 3,105.92
4. Step 4: Simplify right side
   10,896.86x = 50,767,815.36
5. Step 5: Solve for x
   x = 50,767,815.36/10,896.86
6. Step 6: Final answer
   x = 4,658.94