Finding the Fourth Proportional to 10,896.15, 16,344.27 and 3,105.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,896.15 : 16,344.27 = 3,105.03 : x
2. Step 2: Convert to fraction form
   10,896.15/16,344.27 = 3,105.03/x
3. Step 3: Cross multiply
   10,896.15x = 16,344.27 × 3,105.03
4. Step 4: Simplify right side
   10,896.15x = 50,749,448.68
5. Step 5: Solve for x
   x = 50,749,448.68/10,896.15
6. Step 6: Final answer
   x = 4,657.56