Finding the Fourth Proportional to 16,644.38, 24,965.20 and 4,957.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,644.38 : 24,965.20 = 4,957.60 : x
2. Step 2: Convert to fraction form
   16,644.38/24,965.20 = 4,957.60/x
3. Step 3: Cross multiply
   16,644.38x = 24,965.20 × 4,957.60
4. Step 4: Simplify right side
   16,644.38x = 123,767,419.30
5. Step 5: Solve for x
   x = 123,767,419.30/16,644.38
6. Step 6: Final answer
   x = 7,435.99