Finding the Fourth Proportional to 1,086.96, 1,499 and 727.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.96 : 1,499 = 727.42 : x
2. Step 2: Convert to fraction form
   1,086.96/1,499 = 727.42/x
3. Step 3: Cross multiply
   1,086.96x = 1,499 × 727.42
4. Step 4: Simplify right side
   1,086.96x = 1,090,402.58
5. Step 5: Solve for x
   x = 1,090,402.58/1,086.96
6. Step 6: Final answer
   x = 1,003.17