Finding the Fourth Proportional to 2,149.92, 3,222.72 and 996.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.92 : 3,222.72 = 996.48 : x
2. Step 2: Convert to fraction form
   2,149.92/3,222.72 = 996.48/x
3. Step 3: Cross multiply
   2,149.92x = 3,222.72 × 996.48
4. Step 4: Simplify right side
   2,149.92x = 3,211,376.03
5. Step 5: Solve for x
   x = 3,211,376.03/2,149.92
6. Step 6: Final answer
   x = 1,493.72