Finding the Fourth Proportional to 1,522.72, 2,283.27 and 936.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.72 : 2,283.27 = 936.28 : x
2. Step 2: Convert to fraction form
   1,522.72/2,283.27 = 936.28/x
3. Step 3: Cross multiply
   1,522.72x = 2,283.27 × 936.28
4. Step 4: Simplify right side
   1,522.72x = 2,137,780.04
5. Step 5: Solve for x
   x = 2,137,780.04/1,522.72
6. Step 6: Final answer
   x = 1,403.92