Finding the Fourth Proportional to 3,561.45, 5,342.88 and 1,096.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.45 : 5,342.88 = 1,096.18 : x
2. Step 2: Convert to fraction form
   3,561.45/5,342.88 = 1,096.18/x
3. Step 3: Cross multiply
   3,561.45x = 5,342.88 × 1,096.18
4. Step 4: Simplify right side
   3,561.45x = 5,856,758.20
5. Step 5: Solve for x
   x = 5,856,758.20/3,561.45
6. Step 6: Final answer
   x = 1,644.49