Finding the Fourth Proportional to 1,333.33, 1,839.78 and 773.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.33 : 1,839.78 = 773.82 : x
2. Step 2: Convert to fraction form
   1,333.33/1,839.78 = 773.82/x
3. Step 3: Cross multiply
   1,333.33x = 1,839.78 × 773.82
4. Step 4: Simplify right side
   1,333.33x = 1,423,658.56
5. Step 5: Solve for x
   x = 1,423,658.56/1,333.33
6. Step 6: Final answer
   x = 1,067.75