Finding the Fourth Proportional to 1,362.96, 1,880.82 and 773.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.96 : 1,880.82 = 773.42 : x
2. Step 2: Convert to fraction form
   1,362.96/1,880.82 = 773.42/x
3. Step 3: Cross multiply
   1,362.96x = 1,880.82 × 773.42
4. Step 4: Simplify right side
   1,362.96x = 1,454,654.40
5. Step 5: Solve for x
   x = 1,454,654.40/1,362.96
6. Step 6: Final answer
   x = 1,067.28