Finding the Fourth Proportional to 20,103.29, 27,741.88 and 12,144.12

Step by Step Solution

1. Step 1: Write the proportion equation
   20,103.29 : 27,741.88 = 12,144.12 : x
2. Step 2: Convert to fraction form
   20,103.29/27,741.88 = 12,144.12/x
3. Step 3: Cross multiply
   20,103.29x = 27,741.88 × 12,144.12
4. Step 4: Simplify right side
   20,103.29x = 336,900,659.03
5. Step 5: Solve for x
   x = 336,900,659.03/20,103.29
6. Step 6: Final answer
   x = 16,758.49