Finding the Fourth Proportional to 21,799.37, 30,082.24 and 12,367.73

Step by Step Solution

1. Step 1: Write the proportion equation
   21,799.37 : 30,082.24 = 12,367.73 : x
2. Step 2: Convert to fraction form
   21,799.37/30,082.24 = 12,367.73/x
3. Step 3: Cross multiply
   21,799.37x = 30,082.24 × 12,367.73
4. Step 4: Simplify right side
   21,799.37x = 372,049,022.12
5. Step 5: Solve for x
   x = 372,049,022.12/21,799.37
6. Step 6: Final answer
   x = 17,066.96