Finding the Fourth Proportional to 22,380.26, 30,885.98 and 12,951.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,380.26 : 30,885.98 = 12,951.86 : x
2. Step 2: Convert to fraction form
   22,380.26/30,885.98 = 12,951.86/x
3. Step 3: Cross multiply
   22,380.26x = 30,885.98 × 12,951.86
4. Step 4: Simplify right side
   22,380.26x = 400,030,669.73
5. Step 5: Solve for x
   x = 400,030,669.73/22,380.26
6. Step 6: Final answer
   x = 17,874.27