Finding the Fourth Proportional to 10,686.27, 16,034.09 and 5,687.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686.27 : 16,034.09 = 5,687.46 : x
2. Step 2: Convert to fraction form
   10,686.27/16,034.09 = 5,687.46/x
3. Step 3: Cross multiply
   10,686.27x = 16,034.09 × 5,687.46
4. Step 4: Simplify right side
   10,686.27x = 91,193,245.51
5. Step 5: Solve for x
   x = 91,193,245.51/10,686.27
6. Step 6: Final answer
   x = 8,533.68