Finding the Fourth Proportional to 22,022.96, 30,391.22 and 12,590.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,022.96 : 30,391.22 = 12,590.92 : x
2. Step 2: Convert to fraction form
   22,022.96/30,391.22 = 12,590.92/x
3. Step 3: Cross multiply
   22,022.96x = 30,391.22 × 12,590.92
4. Step 4: Simplify right side
   22,022.96x = 382,653,419.72
5. Step 5: Solve for x
   x = 382,653,419.72/22,022.96
6. Step 6: Final answer
   x = 17,375.20