Finding the Fourth Proportional to 1,084.82, 1,629.30 and 674.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.82 : 1,629.30 = 674.72 : x
2. Step 2: Convert to fraction form
   1,084.82/1,629.30 = 674.72/x
3. Step 3: Cross multiply
   1,084.82x = 1,629.30 × 674.72
4. Step 4: Simplify right side
   1,084.82x = 1,099,321.30
5. Step 5: Solve for x
   x = 1,099,321.30/1,084.82
6. Step 6: Final answer
   x = 1,013.37