Finding the Fourth Proportional to 3,279.79, 4,916.72 and 1,198.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,279.79 : 4,916.72 = 1,198.33 : x
2. Step 2: Convert to fraction form
   3,279.79/4,916.72 = 1,198.33/x
3. Step 3: Cross multiply
   3,279.79x = 4,916.72 × 1,198.33
4. Step 4: Simplify right side
   3,279.79x = 5,891,843.78
5. Step 5: Solve for x
   x = 5,891,843.78/3,279.79
6. Step 6: Final answer
   x = 1,796.41