Finding the Fourth Proportional to 2,192.10, 3,288.18 and 731.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.10 : 3,288.18 = 731.25 : x
2. Step 2: Convert to fraction form
   2,192.10/3,288.18 = 731.25/x
3. Step 3: Cross multiply
   2,192.10x = 3,288.18 × 731.25
4. Step 4: Simplify right side
   2,192.10x = 2,404,481.63
5. Step 5: Solve for x
   x = 2,404,481.63/2,192.10
6. Step 6: Final answer
   x = 1,096.89