Finding the Fourth Proportional to 1,403.33, 1,936.68 and 773.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403.33 : 1,936.68 = 773.86 : x
2. Step 2: Convert to fraction form
   1,403.33/1,936.68 = 773.86/x
3. Step 3: Cross multiply
   1,403.33x = 1,936.68 × 773.86
4. Step 4: Simplify right side
   1,403.33x = 1,498,710.17
5. Step 5: Solve for x
   x = 1,498,710.17/1,403.33
6. Step 6: Final answer
   x = 1,067.97