Finding the Fourth Proportional to 22,353.30, 30,847.50 and 12,282.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,353.30 : 30,847.50 = 12,282.42 : x
2. Step 2: Convert to fraction form
   22,353.30/30,847.50 = 12,282.42/x
3. Step 3: Cross multiply
   22,353.30x = 30,847.50 × 12,282.42
4. Step 4: Simplify right side
   22,353.30x = 378,881,950.95
5. Step 5: Solve for x
   x = 378,881,950.95/22,353.30
6. Step 6: Final answer
   x = 16,949.71