Finding the Fourth Proportional to 3,563.34, 5,344.74 and 1,098.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,563.34 : 5,344.74 = 1,098.78 : x
2. Step 2: Convert to fraction form
   3,563.34/5,344.74 = 1,098.78/x
3. Step 3: Cross multiply
   3,563.34x = 5,344.74 × 1,098.78
4. Step 4: Simplify right side
   3,563.34x = 5,872,693.42
5. Step 5: Solve for x
   x = 5,872,693.42/3,563.34
6. Step 6: Final answer
   x = 1,648.09