Finding the Fourth Proportional to 1,025.03, 1,414.54 and 559.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.03 : 1,414.54 = 559.28 : x
2. Step 2: Convert to fraction form
   1,025.03/1,414.54 = 559.28/x
3. Step 3: Cross multiply
   1,025.03x = 1,414.54 × 559.28
4. Step 4: Simplify right side
   1,025.03x = 791,123.93
5. Step 5: Solve for x
   x = 791,123.93/1,025.03
6. Step 6: Final answer
   x = 771.81