Finding the Fourth Proportional to 1,233.94, 1,702.83 and 674.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.94 : 1,702.83 = 674.40 : x
2. Step 2: Convert to fraction form
   1,233.94/1,702.83 = 674.40/x
3. Step 3: Cross multiply
   1,233.94x = 1,702.83 × 674.40
4. Step 4: Simplify right side
   1,233.94x = 1,148,390.78
5. Step 5: Solve for x
   x = 1,148,390.78/1,233.94
6. Step 6: Final answer
   x = 930.67