Finding the Fourth Proportional to 12,066.23, 18,016.83 and 10,808.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066.23 : 18,016.83 = 10,808.71 : x
2. Step 2: Convert to fraction form
   12,066.23/18,016.83 = 10,808.71/x
3. Step 3: Cross multiply
   12,066.23x = 18,016.83 × 10,808.71
4. Step 4: Simplify right side
   12,066.23x = 194,738,645.55
5. Step 5: Solve for x
   x = 194,738,645.55/12,066.23
6. Step 6: Final answer
   x = 16,139.14