Finding the Fourth Proportional to 22,022.92, 30,391.78 and 12,462.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,022.92 : 30,391.78 = 12,462.82 : x
2. Step 2: Convert to fraction form
   22,022.92/30,391.78 = 12,462.82/x
3. Step 3: Cross multiply
   22,022.92x = 30,391.78 × 12,462.82
4. Step 4: Simplify right side
   22,022.92x = 378,767,448.59
5. Step 5: Solve for x
   x = 378,767,448.59/22,022.92
6. Step 6: Final answer
   x = 17,198.78