Finding the Fourth Proportional to 1,984.69, 2,738.37 and 1,198.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.69 : 2,738.37 = 1,198.59 : x
2. Step 2: Convert to fraction form
   1,984.69/2,738.37 = 1,198.59/x
3. Step 3: Cross multiply
   1,984.69x = 2,738.37 × 1,198.59
4. Step 4: Simplify right side
   1,984.69x = 3,282,182.90
5. Step 5: Solve for x
   x = 3,282,182.90/1,984.69
6. Step 6: Final answer
   x = 1,653.75