Finding the Fourth Proportional to 10,727.28, 16,096.39 and 5,185.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,727.28 : 16,096.39 = 5,185.37 : x
2. Step 2: Convert to fraction form
   10,727.28/16,096.39 = 5,185.37/x
3. Step 3: Cross multiply
   10,727.28x = 16,096.39 × 5,185.37
4. Step 4: Simplify right side
   10,727.28x = 83,465,765.09
5. Step 5: Solve for x
   x = 83,465,765.09/10,727.28
6. Step 6: Final answer
   x = 7,780.70