Finding the Fourth Proportional to 2,753.27, 4,128.73 and 903.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,753.27 : 4,128.73 = 903.36 : x
2. Step 2: Convert to fraction form
   2,753.27/4,128.73 = 903.36/x
3. Step 3: Cross multiply
   2,753.27x = 4,128.73 × 903.36
4. Step 4: Simplify right side
   2,753.27x = 3,729,727.27
5. Step 5: Solve for x
   x = 3,729,727.27/2,753.27
6. Step 6: Final answer
   x = 1,354.66