Finding the Fourth Proportional to 19,667.32, 27,139.83 and 11,169.23

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.32 : 27,139.83 = 11,169.23 : x
2. Step 2: Convert to fraction form
   19,667.32/27,139.83 = 11,169.23/x
3. Step 3: Cross multiply
   19,667.32x = 27,139.83 × 11,169.23
4. Step 4: Simplify right side
   19,667.32x = 303,131,149.08
5. Step 5: Solve for x
   x = 303,131,149.08/19,667.32
6. Step 6: Final answer
   x = 15,412.93