Finding the Fourth Proportional to 22,353.48, 30,847.82 and 12,282.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,353.48 : 30,847.82 = 12,282.57 : x
2. Step 2: Convert to fraction form
   22,353.48/30,847.82 = 12,282.57/x
3. Step 3: Cross multiply
   22,353.48x = 30,847.82 × 12,282.57
4. Step 4: Simplify right side
   22,353.48x = 378,890,508.50
5. Step 5: Solve for x
   x = 378,890,508.50/22,353.48
6. Step 6: Final answer
   x = 16,949.96