Finding the Fourth Proportional to 951.36, 1,314.72 and 773.96

Step by Step Solution

1. Step 1: Write the proportion equation
   951.36 : 1,314.72 = 773.96 : x
2. Step 2: Convert to fraction form
   951.36/1,314.72 = 773.96/x
3. Step 3: Cross multiply
   951.36x = 1,314.72 × 773.96
4. Step 4: Simplify right side
   951.36x = 1,017,540.69
5. Step 5: Solve for x
   x = 1,017,540.69/951.36
6. Step 6: Final answer
   x = 1,069.56