Finding the Fourth Proportional to 2,192.12, 3,288.34 and 731.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.12 : 3,288.34 = 731.27 : x
2. Step 2: Convert to fraction form
   2,192.12/3,288.34 = 731.27/x
3. Step 3: Cross multiply
   2,192.12x = 3,288.34 × 731.27
4. Step 4: Simplify right side
   2,192.12x = 2,404,665.31
5. Step 5: Solve for x
   x = 2,404,665.31/2,192.12
6. Step 6: Final answer
   x = 1,096.96