Finding the Fourth Proportional to 30,072.24, 41,499.77 and 16,644.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,072.24 : 41,499.77 = 16,644.42 : x
2. Step 2: Convert to fraction form
   30,072.24/41,499.77 = 16,644.42/x
3. Step 3: Cross multiply
   30,072.24x = 41,499.77 × 16,644.42
4. Step 4: Simplify right side
   30,072.24x = 690,739,601.78
5. Step 5: Solve for x
   x = 690,739,601.78/30,072.24
6. Step 6: Final answer
   x = 22,969.34