Finding the Fourth Proportional to 11,769.69, 17,550.71 and 10,136.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,769.69 : 17,550.71 = 10,136.73 : x
2. Step 2: Convert to fraction form
   11,769.69/17,550.71 = 10,136.73/x
3. Step 3: Cross multiply
   11,769.69x = 17,550.71 × 10,136.73
4. Step 4: Simplify right side
   11,769.69x = 177,906,808.58
5. Step 5: Solve for x
   x = 177,906,808.58/11,769.69
6. Step 6: Final answer
   x = 15,115.67