Finding the Fourth Proportional to 3,561.78, 5,342.52 and 1,096.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.78 : 5,342.52 = 1,096.85 : x
2. Step 2: Convert to fraction form
   3,561.78/5,342.52 = 1,096.85/x
3. Step 3: Cross multiply
   3,561.78x = 5,342.52 × 1,096.85
4. Step 4: Simplify right side
   3,561.78x = 5,859,960.53
5. Step 5: Solve for x
   x = 5,859,960.53/3,561.78
6. Step 6: Final answer
   x = 1,645.23