Finding the Fourth Proportional to 19,662.03, 27,138.50 and 12,114.83

Step by Step Solution

1. Step 1: Write the proportion equation
   19,662.03 : 27,138.50 = 12,114.83 : x
2. Step 2: Convert to fraction form
   19,662.03/27,138.50 = 12,114.83/x
3. Step 3: Cross multiply
   19,662.03x = 27,138.50 × 12,114.83
4. Step 4: Simplify right side
   19,662.03x = 328,778,310.32
5. Step 5: Solve for x
   x = 328,778,310.32/19,662.03
6. Step 6: Final answer
   x = 16,721.49