Finding the Fourth Proportional to 9,949.92, 14,921.71 and 3,285.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.92 : 14,921.71 = 3,285.18 : x
2. Step 2: Convert to fraction form
   9,949.92/14,921.71 = 3,285.18/x
3. Step 3: Cross multiply
   9,949.92x = 14,921.71 × 3,285.18
4. Step 4: Simplify right side
   9,949.92x = 49,020,495.04
5. Step 5: Solve for x
   x = 49,020,495.04/9,949.92
6. Step 6: Final answer
   x = 4,926.72