Finding the Fourth Proportional to 12,066.57, 18,103.50 and 8,133.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066.57 : 18,103.50 = 8,133.62 : x
2. Step 2: Convert to fraction form
   12,066.57/18,103.50 = 8,133.62/x
3. Step 3: Cross multiply
   12,066.57x = 18,103.50 × 8,133.62
4. Step 4: Simplify right side
   12,066.57x = 147,246,899.15
5. Step 5: Solve for x
   x = 147,246,899.15/12,066.57
6. Step 6: Final answer
   x = 12,202.88