Finding the Fourth Proportional to 1,393.88, 1,922.64 and 895.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.88 : 1,922.64 = 895.73 : x
2. Step 2: Convert to fraction form
   1,393.88/1,922.64 = 895.73/x
3. Step 3: Cross multiply
   1,393.88x = 1,922.64 × 895.73
4. Step 4: Simplify right side
   1,393.88x = 1,722,166.33
5. Step 5: Solve for x
   x = 1,722,166.33/1,393.88
6. Step 6: Final answer
   x = 1,235.52