Finding the Fourth Proportional to 2,150.64, 3,222.72 and 995.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.64 : 3,222.72 = 995.04 : x
2. Step 2: Convert to fraction form
   2,150.64/3,222.72 = 995.04/x
3. Step 3: Cross multiply
   2,150.64x = 3,222.72 × 995.04
4. Step 4: Simplify right side
   2,150.64x = 3,206,735.31
5. Step 5: Solve for x
   x = 3,206,735.31/2,150.64
6. Step 6: Final answer
   x = 1,491.06