Finding the Fourth Proportional to 19,824.72, 27,358.49 and 10,871.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,824.72 : 27,358.49 = 10,871.69 : x
2. Step 2: Convert to fraction form
   19,824.72/27,358.49 = 10,871.69/x
3. Step 3: Cross multiply
   19,824.72x = 27,358.49 × 10,871.69
4. Step 4: Simplify right side
   19,824.72x = 297,433,022.15
5. Step 5: Solve for x
   x = 297,433,022.15/19,824.72
6. Step 6: Final answer
   x = 15,003.14