Finding the Fourth Proportional to 1,362.93, 1,880.77 and 773.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.93 : 1,880.77 = 773.45 : x
2. Step 2: Convert to fraction form
   1,362.93/1,880.77 = 773.45/x
3. Step 3: Cross multiply
   1,362.93x = 1,880.77 × 773.45
4. Step 4: Simplify right side
   1,362.93x = 1,454,681.56
5. Step 5: Solve for x
   x = 1,454,681.56/1,362.93
6. Step 6: Final answer
   x = 1,067.32