Finding the Fourth Proportional to 1,371.33, 1,892.35 and 773.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.33 : 1,892.35 = 773.84 : x
2. Step 2: Convert to fraction form
   1,371.33/1,892.35 = 773.84/x
3. Step 3: Cross multiply
   1,371.33x = 1,892.35 × 773.84
4. Step 4: Simplify right side
   1,371.33x = 1,464,376.12
5. Step 5: Solve for x
   x = 1,464,376.12/1,371.33
6. Step 6: Final answer
   x = 1,067.85