Finding the Fourth Proportional to 1,984.71, 2,738.83 and 1,198.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.71 : 2,738.83 = 1,198.62 : x
2. Step 2: Convert to fraction form
   1,984.71/2,738.83 = 1,198.62/x
3. Step 3: Cross multiply
   1,984.71x = 2,738.83 × 1,198.62
4. Step 4: Simplify right side
   1,984.71x = 3,282,816.41
5. Step 5: Solve for x
   x = 3,282,816.41/1,984.71
6. Step 6: Final answer
   x = 1,654.05