Finding the Fourth Proportional to 21,738.72, 32,608.32 and 6,156.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,738.72 : 32,608.32 = 6,156.48 : x
2. Step 2: Convert to fraction form
   21,738.72/32,608.32 = 6,156.48/x
3. Step 3: Cross multiply
   21,738.72x = 32,608.32 × 6,156.48
4. Step 4: Simplify right side
   21,738.72x = 200,752,469.91
5. Step 5: Solve for x
   x = 200,752,469.91/21,738.72
6. Step 6: Final answer
   x = 9,234.79