Finding the Fourth Proportional to 19,738.88, 27,238.72 and 10,786.08

Step by Step Solution

1. Step 1: Write the proportion equation
   19,738.88 : 27,238.72 = 10,786.08 : x
2. Step 2: Convert to fraction form
   19,738.88/27,238.72 = 10,786.08/x
3. Step 3: Cross multiply
   19,738.88x = 27,238.72 × 10,786.08
4. Step 4: Simplify right side
   19,738.88x = 293,799,013.02
5. Step 5: Solve for x
   x = 293,799,013.02/19,738.88
6. Step 6: Final answer
   x = 14,884.28