Finding the Fourth Proportional to 1,086.27, 1,500.69 and 755.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.27 : 1,500.69 = 755.84 : x
2. Step 2: Convert to fraction form
   1,086.27/1,500.69 = 755.84/x
3. Step 3: Cross multiply
   1,086.27x = 1,500.69 × 755.84
4. Step 4: Simplify right side
   1,086.27x = 1,134,281.53
5. Step 5: Solve for x
   x = 1,134,281.53/1,086.27
6. Step 6: Final answer
   x = 1,044.20