Finding the Fourth Proportional to 773.48, 1,151.83 and 771.32

Step by Step Solution

1. Step 1: Write the proportion equation
   773.48 : 1,151.83 = 771.32 : x
2. Step 2: Convert to fraction form
   773.48/1,151.83 = 771.32/x
3. Step 3: Cross multiply
   773.48x = 1,151.83 × 771.32
4. Step 4: Simplify right side
   773.48x = 888,429.52
5. Step 5: Solve for x
   x = 888,429.52/773.48
6. Step 6: Final answer
   x = 1,148.61