Finding the Fourth Proportional to 22,016, 30,382.10 and 12,080

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016 : 30,382.10 = 12,080 : x
2. Step 2: Convert to fraction form
   22,016/30,382.10 = 12,080/x
3. Step 3: Cross multiply
   22,016x = 30,382.10 × 12,080
4. Step 4: Simplify right side
   22,016x = 367,015,768
5. Step 5: Solve for x
   x = 367,015,768/22,016
6. Step 6: Final answer
   x = 16,670.41