Finding the Fourth Proportional to 19,738.92, 27,238.56 and 10,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,738.92 : 27,238.56 = 10,786.50 : x
2. Step 2: Convert to fraction form
   19,738.92/27,238.56 = 10,786.50/x
3. Step 3: Cross multiply
   19,738.92x = 27,238.56 × 10,786.50
4. Step 4: Simplify right side
   19,738.92x = 293,808,645.52
5. Step 5: Solve for x
   x = 293,808,645.52/19,738.92
6. Step 6: Final answer
   x = 14,884.74