Finding the Fourth Proportional to 19,667.69, 27,141.26 and 10,715.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.69 : 27,141.26 = 10,715.16 : x
2. Step 2: Convert to fraction form
   19,667.69/27,141.26 = 10,715.16/x
3. Step 3: Cross multiply
   19,667.69x = 27,141.26 × 10,715.16
4. Step 4: Simplify right side
   19,667.69x = 290,822,889.93
5. Step 5: Solve for x
   x = 290,822,889.93/19,667.69
6. Step 6: Final answer
   x = 14,786.84