Finding the Fourth Proportional to 1,086.85, 1,499.15 and 727.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.85 : 1,499.15 = 727.96 : x
2. Step 2: Convert to fraction form
   1,086.85/1,499.15 = 727.96/x
3. Step 3: Cross multiply
   1,086.85x = 1,499.15 × 727.96
4. Step 4: Simplify right side
   1,086.85x = 1,091,314.03
5. Step 5: Solve for x
   x = 1,091,314.03/1,086.85
6. Step 6: Final answer
   x = 1,004.11