Finding the Fourth Proportional to 1,233.86, 1,702.76 and 674.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.86 : 1,702.76 = 674.37 : x
2. Step 2: Convert to fraction form
   1,233.86/1,702.76 = 674.37/x
3. Step 3: Cross multiply
   1,233.86x = 1,702.76 × 674.37
4. Step 4: Simplify right side
   1,233.86x = 1,148,286.89
5. Step 5: Solve for x
   x = 1,148,286.89/1,233.86
6. Step 6: Final answer
   x = 930.65