Finding the Fourth Proportional to 1,233.68, 1,702.59 and 674.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.68 : 1,702.59 = 674.23 : x
2. Step 2: Convert to fraction form
   1,233.68/1,702.59 = 674.23/x
3. Step 3: Cross multiply
   1,233.68x = 1,702.59 × 674.23
4. Step 4: Simplify right side
   1,233.68x = 1,147,931.31
5. Step 5: Solve for x
   x = 1,147,931.31/1,233.68
6. Step 6: Final answer
   x = 930.50