Finding the Fourth Proportional to 21,882.76, 30,198.22 and 12,451.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,882.76 : 30,198.22 = 12,451.32 : x
2. Step 2: Convert to fraction form
   21,882.76/30,198.22 = 12,451.32/x
3. Step 3: Cross multiply
   21,882.76x = 30,198.22 × 12,451.32
4. Step 4: Simplify right side
   21,882.76x = 376,007,669.52
5. Step 5: Solve for x
   x = 376,007,669.52/21,882.76
6. Step 6: Final answer
   x = 17,182.83