Finding the Fourth Proportional to 1,025.28, 1,544.78 and 927.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.28 : 1,544.78 = 927.89 : x
2. Step 2: Convert to fraction form
   1,025.28/1,544.78 = 927.89/x
3. Step 3: Cross multiply
   1,025.28x = 1,544.78 × 927.89
4. Step 4: Simplify right side
   1,025.28x = 1,433,373.55
5. Step 5: Solve for x
   x = 1,433,373.55/1,025.28
6. Step 6: Final answer
   x = 1,398.03