Finding the Fourth Proportional to 1,603.58, 2,212.89 and 895.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.58 : 2,212.89 = 895.44 : x
2. Step 2: Convert to fraction form
   1,603.58/2,212.89 = 895.44/x
3. Step 3: Cross multiply
   1,603.58x = 2,212.89 × 895.44
4. Step 4: Simplify right side
   1,603.58x = 1,981,510.22
5. Step 5: Solve for x
   x = 1,981,510.22/1,603.58
6. Step 6: Final answer
   x = 1,235.68