Finding the Fourth Proportional to 2,208.42, 3,312.17 and 1,096.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.42 : 3,312.17 = 1,096.70 : x
2. Step 2: Convert to fraction form
   2,208.42/3,312.17 = 1,096.70/x
3. Step 3: Cross multiply
   2,208.42x = 3,312.17 × 1,096.70
4. Step 4: Simplify right side
   2,208.42x = 3,632,440.28
5. Step 5: Solve for x
   x = 3,632,440.28/2,208.42
6. Step 6: Final answer
   x = 1,644.81