Finding the Fourth Proportional to 1,198.50, 1,654.02 and 674.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198.50 : 1,654.02 = 674.52 : x
2. Step 2: Convert to fraction form
   1,198.50/1,654.02 = 674.52/x
3. Step 3: Cross multiply
   1,198.50x = 1,654.02 × 674.52
4. Step 4: Simplify right side
   1,198.50x = 1,115,669.57
5. Step 5: Solve for x
   x = 1,115,669.57/1,198.50
6. Step 6: Final answer
   x = 930.89