Finding the Fourth Proportional to 3,561.79, 5,343.52 and 1,096.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.79 : 5,343.52 = 1,096.55 : x
2. Step 2: Convert to fraction form
   3,561.79/5,343.52 = 1,096.55/x
3. Step 3: Cross multiply
   3,561.79x = 5,343.52 × 1,096.55
4. Step 4: Simplify right side
   3,561.79x = 5,859,459.55
5. Step 5: Solve for x
   x = 5,859,459.55/3,561.79
6. Step 6: Final answer
   x = 1,645.09