Finding the Fourth Proportional to 11,709, 16,158.42 and 8,727.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,709 : 16,158.42 = 8,727.39 : x
2. Step 2: Convert to fraction form
   11,709/16,158.42 = 8,727.39/x
3. Step 3: Cross multiply
   11,709x = 16,158.42 × 8,727.39
4. Step 4: Simplify right side
   11,709x = 141,020,833.12
5. Step 5: Solve for x
   x = 141,020,833.12/11,709
6. Step 6: Final answer
   x = 12,043.80