Finding the Fourth Proportional to 1,233.42, 1,702.07 and 673.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.42 : 1,702.07 = 673.89 : x
2. Step 2: Convert to fraction form
   1,233.42/1,702.07 = 673.89/x
3. Step 3: Cross multiply
   1,233.42x = 1,702.07 × 673.89
4. Step 4: Simplify right side
   1,233.42x = 1,147,007.95
5. Step 5: Solve for x
   x = 1,147,007.95/1,233.42
6. Step 6: Final answer
   x = 929.94