Finding the Fourth Proportional to 1,362.82, 1,880.63 and 773.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.82 : 1,880.63 = 773.34 : x
2. Step 2: Convert to fraction form
   1,362.82/1,880.63 = 773.34/x
3. Step 3: Cross multiply
   1,362.82x = 1,880.63 × 773.34
4. Step 4: Simplify right side
   1,362.82x = 1,454,366.40
5. Step 5: Solve for x
   x = 1,454,366.40/1,362.82
6. Step 6: Final answer
   x = 1,067.17