Finding the Fourth Proportional to 1,362.83, 1,880.79 and 773.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.83 : 1,880.79 = 773.48 : x
2. Step 2: Convert to fraction form
   1,362.83/1,880.79 = 773.48/x
3. Step 3: Cross multiply
   1,362.83x = 1,880.79 × 773.48
4. Step 4: Simplify right side
   1,362.83x = 1,454,753.45
5. Step 5: Solve for x
   x = 1,454,753.45/1,362.83
6. Step 6: Final answer
   x = 1,067.45