Finding the Fourth Proportional to 1,067.27, 1,472.96 and 625.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.27 : 1,472.96 = 625.55 : x
2. Step 2: Convert to fraction form
   1,067.27/1,472.96 = 625.55/x
3. Step 3: Cross multiply
   1,067.27x = 1,472.96 × 625.55
4. Step 4: Simplify right side
   1,067.27x = 921,404.33
5. Step 5: Solve for x
   x = 921,404.33/1,067.27
6. Step 6: Final answer
   x = 863.33