Finding the Fourth Proportional to 1,394.50, 1,924.41 and 773.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.50 : 1,924.41 = 773.62 : x
2. Step 2: Convert to fraction form
   1,394.50/1,924.41 = 773.62/x
3. Step 3: Cross multiply
   1,394.50x = 1,924.41 × 773.62
4. Step 4: Simplify right side
   1,394.50x = 1,488,762.06
5. Step 5: Solve for x
   x = 1,488,762.06/1,394.50
6. Step 6: Final answer
   x = 1,067.60