Finding the Fourth Proportional to 10,896.82, 16,345.42 and 3,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,896.82 : 16,345.42 = 3,105.83 : x
2. Step 2: Convert to fraction form
   10,896.82/16,345.42 = 3,105.83/x
3. Step 3: Cross multiply
   10,896.82x = 16,345.42 × 3,105.83
4. Step 4: Simplify right side
   10,896.82x = 50,766,095.80
5. Step 5: Solve for x
   x = 50,766,095.80/10,896.82
6. Step 6: Final answer
   x = 4,658.80