Finding the Fourth Proportional to 1,394.14, 1,923.89 and 773.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.14 : 1,923.89 = 773.14 : x
2. Step 2: Convert to fraction form
   1,394.14/1,923.89 = 773.14/x
3. Step 3: Cross multiply
   1,394.14x = 1,923.89 × 773.14
4. Step 4: Simplify right side
   1,394.14x = 1,487,436.31
5. Step 5: Solve for x
   x = 1,487,436.31/1,394.14
6. Step 6: Final answer
   x = 1,066.92