Finding the Fourth Proportional to 20,744.72, 31,112.88 and 5,949.66

Step by Step Solution

1. Step 1: Write the proportion equation
   20,744.72 : 31,112.88 = 5,949.66 : x
2. Step 2: Convert to fraction form
   20,744.72/31,112.88 = 5,949.66/x
3. Step 3: Cross multiply
   20,744.72x = 31,112.88 × 5,949.66
4. Step 4: Simplify right side
   20,744.72x = 185,111,057.62
5. Step 5: Solve for x
   x = 185,111,057.62/20,744.72
6. Step 6: Final answer
   x = 8,923.29