Finding the Fourth Proportional to 1,170.82, 1,616.50 and 729.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,170.82 : 1,616.50 = 729.38 : x
2. Step 2: Convert to fraction form
   1,170.82/1,616.50 = 729.38/x
3. Step 3: Cross multiply
   1,170.82x = 1,616.50 × 729.38
4. Step 4: Simplify right side
   1,170.82x = 1,179,042.77
5. Step 5: Solve for x
   x = 1,179,042.77/1,170.82
6. Step 6: Final answer
   x = 1,007.02