Finding the Fourth Proportional to 1,196.29, 1,794.61 and 579.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.29 : 1,794.61 = 579.49 : x
2. Step 2: Convert to fraction form
   1,196.29/1,794.61 = 579.49/x
3. Step 3: Cross multiply
   1,196.29x = 1,794.61 × 579.49
4. Step 4: Simplify right side
   1,196.29x = 1,039,958.55
5. Step 5: Solve for x
   x = 1,039,958.55/1,196.29
6. Step 6: Final answer
   x = 869.32