Finding the Fourth Proportional to 11,836.50, 17,678 and 10,723.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,836.50 : 17,678 = 10,723.69 : x
2. Step 2: Convert to fraction form
   11,836.50/17,678 = 10,723.69/x
3. Step 3: Cross multiply
   11,836.50x = 17,678 × 10,723.69
4. Step 4: Simplify right side
   11,836.50x = 189,573,391.82
5. Step 5: Solve for x
   x = 189,573,391.82/11,836.50
6. Step 6: Final answer
   x = 16,016.00