Finding the Fourth Proportional to 19,683, 27,163.04 and 12,134.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,683 : 27,163.04 = 12,134.31 : x
2. Step 2: Convert to fraction form
   19,683/27,163.04 = 12,134.31/x
3. Step 3: Cross multiply
   19,683x = 27,163.04 × 12,134.31
4. Step 4: Simplify right side
   19,683x = 329,604,747.90
5. Step 5: Solve for x
   x = 329,604,747.90/19,683
6. Step 6: Final answer
   x = 16,745.66