Finding the Fourth Proportional to 738.30, 1,108.66 and 667.82

Step by Step Solution

1. Step 1: Write the proportion equation
   738.30 : 1,108.66 = 667.82 : x
2. Step 2: Convert to fraction form
   738.30/1,108.66 = 667.82/x
3. Step 3: Cross multiply
   738.30x = 1,108.66 × 667.82
4. Step 4: Simplify right side
   738.30x = 740,385.32
5. Step 5: Solve for x
   x = 740,385.32/738.30
6. Step 6: Final answer
   x = 1,002.82