Finding the Fourth Proportional to 20,766.65, 31,145.31 and 5,972.27

Step by Step Solution

1. Step 1: Write the proportion equation
   20,766.65 : 31,145.31 = 5,972.27 : x
2. Step 2: Convert to fraction form
   20,766.65/31,145.31 = 5,972.27/x
3. Step 3: Cross multiply
   20,766.65x = 31,145.31 × 5,972.27
4. Step 4: Simplify right side
   20,766.65x = 186,008,044.83
5. Step 5: Solve for x
   x = 186,008,044.83/20,766.65
6. Step 6: Final answer
   x = 8,957.06