Finding the Fourth Proportional to 22,432.82, 30,957.32 and 12,223.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,432.82 : 30,957.32 = 12,223.80 : x
2. Step 2: Convert to fraction form
   22,432.82/30,957.32 = 12,223.80/x
3. Step 3: Cross multiply
   22,432.82x = 30,957.32 × 12,223.80
4. Step 4: Simplify right side
   22,432.82x = 378,416,118.78
5. Step 5: Solve for x
   x = 378,416,118.78/22,432.82
6. Step 6: Final answer
   x = 16,868.86