Finding the Fourth Proportional to 3,146.88, 4,720.72 and 1,198.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,146.88 : 4,720.72 = 1,198.82 : x
2. Step 2: Convert to fraction form
   3,146.88/4,720.72 = 1,198.82/x
3. Step 3: Cross multiply
   3,146.88x = 4,720.72 × 1,198.82
4. Step 4: Simplify right side
   3,146.88x = 5,659,293.55
5. Step 5: Solve for x
   x = 5,659,293.55/3,146.88
6. Step 6: Final answer
   x = 1,798.38