Finding the Fourth Proportional to 1,067.89, 1,473.87 and 648.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.89 : 1,473.87 = 648.52 : x
2. Step 2: Convert to fraction form
   1,067.89/1,473.87 = 648.52/x
3. Step 3: Cross multiply
   1,067.89x = 1,473.87 × 648.52
4. Step 4: Simplify right side
   1,067.89x = 955,839.49
5. Step 5: Solve for x
   x = 955,839.49/1,067.89
6. Step 6: Final answer
   x = 895.07