Finding the Fourth Proportional to 1,086.28, 1,498.60 and 732.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.28 : 1,498.60 = 732.43 : x
2. Step 2: Convert to fraction form
   1,086.28/1,498.60 = 732.43/x
3. Step 3: Cross multiply
   1,086.28x = 1,498.60 × 732.43
4. Step 4: Simplify right side
   1,086.28x = 1,097,608.44
5. Step 5: Solve for x
   x = 1,097,608.44/1,086.28
6. Step 6: Final answer
   x = 1,010.43