Finding the Fourth Proportional to 20,822.72, 31,244.34 and 9,730.18

Step by Step Solution

1. Step 1: Write the proportion equation
   20,822.72 : 31,244.34 = 9,730.18 : x
2. Step 2: Convert to fraction form
   20,822.72/31,244.34 = 9,730.18/x
3. Step 3: Cross multiply
   20,822.72x = 31,244.34 × 9,730.18
4. Step 4: Simplify right side
   20,822.72x = 304,012,895.96
5. Step 5: Solve for x
   x = 304,012,895.96/20,822.72
6. Step 6: Final answer
   x = 14,600.06