Finding the Fourth Proportional to 1,394.34, 1,924.20 and 773.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.34 : 1,924.20 = 773.34 : x
2. Step 2: Convert to fraction form
   1,394.34/1,924.20 = 773.34/x
3. Step 3: Cross multiply
   1,394.34x = 1,924.20 × 773.34
4. Step 4: Simplify right side
   1,394.34x = 1,488,060.83
5. Step 5: Solve for x
   x = 1,488,060.83/1,394.34
6. Step 6: Final answer
   x = 1,067.22