Finding the Fourth Proportional to 20,951.91, 31,417.83 and 9,849.24

Step by Step Solution

1. Step 1: Write the proportion equation
   20,951.91 : 31,417.83 = 9,849.24 : x
2. Step 2: Convert to fraction form
   20,951.91/31,417.83 = 9,849.24/x
3. Step 3: Cross multiply
   20,951.91x = 31,417.83 × 9,849.24
4. Step 4: Simplify right side
   20,951.91x = 309,441,747.95
5. Step 5: Solve for x
   x = 309,441,747.95/20,951.91
6. Step 6: Final answer
   x = 14,769.14