Finding the Fourth Proportional to 3,661.62, 5,491.86 and 1,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.62 : 5,491.86 = 1,196.42 : x
2. Step 2: Convert to fraction form
   3,661.62/5,491.86 = 1,196.42/x
3. Step 3: Cross multiply
   3,661.62x = 5,491.86 × 1,196.42
4. Step 4: Simplify right side
   3,661.62x = 6,570,571.14
5. Step 5: Solve for x
   x = 6,570,571.14/3,661.62
6. Step 6: Final answer
   x = 1,794.44