Finding the Fourth Proportional to 1,067.94, 1,473.77 and 648.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.94 : 1,473.77 = 648.18 : x
2. Step 2: Convert to fraction form
   1,067.94/1,473.77 = 648.18/x
3. Step 3: Cross multiply
   1,067.94x = 1,473.77 × 648.18
4. Step 4: Simplify right side
   1,067.94x = 955,265.00
5. Step 5: Solve for x
   x = 955,265.00/1,067.94
6. Step 6: Final answer
   x = 894.49