Finding the Fourth Proportional to 1,064.76, 1,595.82 and 773.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.76 : 1,595.82 = 773.28 : x
2. Step 2: Convert to fraction form
   1,064.76/1,595.82 = 773.28/x
3. Step 3: Cross multiply
   1,064.76x = 1,595.82 × 773.28
4. Step 4: Simplify right side
   1,064.76x = 1,234,015.69
5. Step 5: Solve for x
   x = 1,234,015.69/1,064.76
6. Step 6: Final answer
   x = 1,158.96