Finding the Fourth Proportional to 22,399.30, 30,912.48 and 14,832.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,399.30 : 30,912.48 = 14,832.46 : x
2. Step 2: Convert to fraction form
   22,399.30/30,912.48 = 14,832.46/x
3. Step 3: Cross multiply
   22,399.30x = 30,912.48 × 14,832.46
4. Step 4: Simplify right side
   22,399.30x = 458,508,123.10
5. Step 5: Solve for x
   x = 458,508,123.10/22,399.30
6. Step 6: Final answer
   x = 20,469.75