Finding the Fourth Proportional to 1,333.29, 1,996.59 and 717.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.29 : 1,996.59 = 717.18 : x
2. Step 2: Convert to fraction form
   1,333.29/1,996.59 = 717.18/x
3. Step 3: Cross multiply
   1,333.29x = 1,996.59 × 717.18
4. Step 4: Simplify right side
   1,333.29x = 1,431,914.42
5. Step 5: Solve for x
   x = 1,431,914.42/1,333.29
6. Step 6: Final answer
   x = 1,073.97