Finding the Fourth Proportional to 2,167.91, 3,249.17 and 996.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.91 : 3,249.17 = 996.67 : x
2. Step 2: Convert to fraction form
   2,167.91/3,249.17 = 996.67/x
3. Step 3: Cross multiply
   2,167.91x = 3,249.17 × 996.67
4. Step 4: Simplify right side
   2,167.91x = 3,238,337.16
5. Step 5: Solve for x
   x = 3,238,337.16/2,167.91
6. Step 6: Final answer
   x = 1,493.76