Finding the Fourth Proportional to 1,393.40, 1,923.01 and 895.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.40 : 1,923.01 = 895.73 : x
2. Step 2: Convert to fraction form
   1,393.40/1,923.01 = 895.73/x
3. Step 3: Cross multiply
   1,393.40x = 1,923.01 × 895.73
4. Step 4: Simplify right side
   1,393.40x = 1,722,485.89
5. Step 5: Solve for x
   x = 1,722,485.89/1,393.40
6. Step 6: Final answer
   x = 1,236.17