Finding the Fourth Proportional to 10,873.14, 16,315.18 and 8,105.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,873.14 : 16,315.18 = 8,105.37 : x
2. Step 2: Convert to fraction form
   10,873.14/16,315.18 = 8,105.37/x
3. Step 3: Cross multiply
   10,873.14x = 16,315.18 × 8,105.37
4. Step 4: Simplify right side
   10,873.14x = 132,240,570.52
5. Step 5: Solve for x
   x = 132,240,570.52/10,873.14
6. Step 6: Final answer
   x = 12,162.13