Finding the Fourth Proportional to 1,086.05, 1,496.74 and 771.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.05 : 1,496.74 = 771.33 : x
2. Step 2: Convert to fraction form
   1,086.05/1,496.74 = 771.33/x
3. Step 3: Cross multiply
   1,086.05x = 1,496.74 × 771.33
4. Step 4: Simplify right side
   1,086.05x = 1,154,472.92
5. Step 5: Solve for x
   x = 1,154,472.92/1,086.05
6. Step 6: Final answer
   x = 1,063.00