Finding the Fourth Proportional to 2,943.78, 4,417.38 and 1,096.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.78 : 4,417.38 = 1,096.23 : x
2. Step 2: Convert to fraction form
   2,943.78/4,417.38 = 1,096.23/x
3. Step 3: Cross multiply
   2,943.78x = 4,417.38 × 1,096.23
4. Step 4: Simplify right side
   2,943.78x = 4,842,464.48
5. Step 5: Solve for x
   x = 4,842,464.48/2,943.78
6. Step 6: Final answer
   x = 1,644.98