Finding the Fourth Proportional to 1,395.38, 1,924.71 and 897.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.38 : 1,924.71 = 897.23 : x
2. Step 2: Convert to fraction form
   1,395.38/1,924.71 = 897.23/x
3. Step 3: Cross multiply
   1,395.38x = 1,924.71 × 897.23
4. Step 4: Simplify right side
   1,395.38x = 1,726,907.55
5. Step 5: Solve for x
   x = 1,726,907.55/1,395.38
6. Step 6: Final answer
   x = 1,237.59