Finding the Fourth Proportional to 1,364.27, 1,882.73 and 774.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.27 : 1,882.73 = 774.76 : x
2. Step 2: Convert to fraction form
   1,364.27/1,882.73 = 774.76/x
3. Step 3: Cross multiply
   1,364.27x = 1,882.73 × 774.76
4. Step 4: Simplify right side
   1,364.27x = 1,458,650.61
5. Step 5: Solve for x
   x = 1,458,650.61/1,364.27
6. Step 6: Final answer
   x = 1,069.18