Finding the Fourth Proportional to 1,067.57, 1,473.24 and 625.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.57 : 1,473.24 = 625.85 : x
2. Step 2: Convert to fraction form
   1,067.57/1,473.24 = 625.85/x
3. Step 3: Cross multiply
   1,067.57x = 1,473.24 × 625.85
4. Step 4: Simplify right side
   1,067.57x = 922,019.89
5. Step 5: Solve for x
   x = 922,019.89/1,067.57
6. Step 6: Final answer
   x = 863.67