Finding the Fourth Proportional to 1,333.43, 2,003.73 and 717.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.43 : 2,003.73 = 717.56 : x
2. Step 2: Convert to fraction form
   1,333.43/2,003.73 = 717.56/x
3. Step 3: Cross multiply
   1,333.43x = 2,003.73 × 717.56
4. Step 4: Simplify right side
   1,333.43x = 1,437,796.50
5. Step 5: Solve for x
   x = 1,437,796.50/1,333.43
6. Step 6: Final answer
   x = 1,078.27