Finding the Fourth Proportional to 1,291.49, 1,782.42 and 732.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291.49 : 1,782.42 = 732.05 : x
2. Step 2: Convert to fraction form
   1,291.49/1,782.42 = 732.05/x
3. Step 3: Cross multiply
   1,291.49x = 1,782.42 × 732.05
4. Step 4: Simplify right side
   1,291.49x = 1,304,820.56
5. Step 5: Solve for x
   x = 1,304,820.56/1,291.49
6. Step 6: Final answer
   x = 1,010.32