Finding the Fourth Proportional to 12,080.38, 18,132.85 and 8,332.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,080.38 : 18,132.85 = 8,332.42 : x
2. Step 2: Convert to fraction form
   12,080.38/18,132.85 = 8,332.42/x
3. Step 3: Cross multiply
   12,080.38x = 18,132.85 × 8,332.42
4. Step 4: Simplify right side
   12,080.38x = 151,090,431.33
5. Step 5: Solve for x
   x = 151,090,431.33/12,080.38
6. Step 6: Final answer
   x = 12,507.10