Finding the Fourth Proportional to 1,399.92, 2,097.27 and 936.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399.92 : 2,097.27 = 936.33 : x
2. Step 2: Convert to fraction form
   1,399.92/2,097.27 = 936.33/x
3. Step 3: Cross multiply
   1,399.92x = 2,097.27 × 936.33
4. Step 4: Simplify right side
   1,399.92x = 1,963,736.82
5. Step 5: Solve for x
   x = 1,963,736.82/1,399.92
6. Step 6: Final answer
   x = 1,402.75