Finding the Fourth Proportional to 2,930.34, 4,393.89 and 1,198.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,930.34 : 4,393.89 = 1,198.56 : x
2. Step 2: Convert to fraction form
   2,930.34/4,393.89 = 1,198.56/x
3. Step 3: Cross multiply
   2,930.34x = 4,393.89 × 1,198.56
4. Step 4: Simplify right side
   2,930.34x = 5,266,340.80
5. Step 5: Solve for x
   x = 5,266,340.80/2,930.34
6. Step 6: Final answer
   x = 1,797.18