Finding the Fourth Proportional to 1,255.89, 1,733.31 and 732.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.89 : 1,733.31 = 732.21 : x
2. Step 2: Convert to fraction form
   1,255.89/1,733.31 = 732.21/x
3. Step 3: Cross multiply
   1,255.89x = 1,733.31 × 732.21
4. Step 4: Simplify right side
   1,255.89x = 1,269,146.92
5. Step 5: Solve for x
   x = 1,269,146.92/1,255.89
6. Step 6: Final answer
   x = 1,010.56