Finding the Fourth Proportional to 2,196.72, 3,293.90 and 962.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.72 : 3,293.90 = 962.69 : x
2. Step 2: Convert to fraction form
   2,196.72/3,293.90 = 962.69/x
3. Step 3: Cross multiply
   2,196.72x = 3,293.90 × 962.69
4. Step 4: Simplify right side
   2,196.72x = 3,170,983.31
5. Step 5: Solve for x
   x = 3,170,983.31/2,196.72
6. Step 6: Final answer
   x = 1,443.51