Finding the Fourth Proportional to 1,364.18, 1,882.58 and 774.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.18 : 1,882.58 = 774.73 : x
2. Step 2: Convert to fraction form
   1,364.18/1,882.58 = 774.73/x
3. Step 3: Cross multiply
   1,364.18x = 1,882.58 × 774.73
4. Step 4: Simplify right side
   1,364.18x = 1,458,487.47
5. Step 5: Solve for x
   x = 1,458,487.47/1,364.18
6. Step 6: Final answer
   x = 1,069.13