Finding the Fourth Proportional to 2,930.88, 4,392.48 and 1,198.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,930.88 : 4,392.48 = 1,198.56 : x
2. Step 2: Convert to fraction form
   2,930.88/4,392.48 = 1,198.56/x
3. Step 3: Cross multiply
   2,930.88x = 4,392.48 × 1,198.56
4. Step 4: Simplify right side
   2,930.88x = 5,264,650.83
5. Step 5: Solve for x
   x = 5,264,650.83/2,930.88
6. Step 6: Final answer
   x = 1,796.27