Finding the Fourth Proportional to 1,067.69, 1,473.42 and 625.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.69 : 1,473.42 = 625.59 : x
2. Step 2: Convert to fraction form
   1,067.69/1,473.42 = 625.59/x
3. Step 3: Cross multiply
   1,067.69x = 1,473.42 × 625.59
4. Step 4: Simplify right side
   1,067.69x = 921,756.82
5. Step 5: Solve for x
   x = 921,756.82/1,067.69
6. Step 6: Final answer
   x = 863.32