Finding the Fourth Proportional to 1,028.44, 1,419.25 and 562.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028.44 : 1,419.25 = 562.69 : x
2. Step 2: Convert to fraction form
   1,028.44/1,419.25 = 562.69/x
3. Step 3: Cross multiply
   1,028.44x = 1,419.25 × 562.69
4. Step 4: Simplify right side
   1,028.44x = 798,592.83
5. Step 5: Solve for x
   x = 798,592.83/1,028.44
6. Step 6: Final answer
   x = 776.51