Finding the Fourth Proportional to 31,982.72, 47,976.38 and 9,793.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,982.72 : 47,976.38 = 9,793.21 : x
2. Step 2: Convert to fraction form
   31,982.72/47,976.38 = 9,793.21/x
3. Step 3: Cross multiply
   31,982.72x = 47,976.38 × 9,793.21
4. Step 4: Simplify right side
   31,982.72x = 469,842,764.38
5. Step 5: Solve for x
   x = 469,842,764.38/31,982.72
6. Step 6: Final answer
   x = 14,690.52