Finding the Fourth Proportional to 30,238.46, 41,728.69 and 16,809.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,238.46 : 41,728.69 = 16,809.37 : x
2. Step 2: Convert to fraction form
   30,238.46/41,728.69 = 16,809.37/x
3. Step 3: Cross multiply
   30,238.46x = 41,728.69 × 16,809.37
4. Step 4: Simplify right side
   30,238.46x = 701,432,843.48
5. Step 5: Solve for x
   x = 701,432,843.48/30,238.46
6. Step 6: Final answer
   x = 23,196.72