Finding the Fourth Proportional to 2,752.25, 4,128.17 and 903.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.25 : 4,128.17 = 903.33 : x
2. Step 2: Convert to fraction form
   2,752.25/4,128.17 = 903.33/x
3. Step 3: Cross multiply
   2,752.25x = 4,128.17 × 903.33
4. Step 4: Simplify right side
   2,752.25x = 3,729,095.29
5. Step 5: Solve for x
   x = 3,729,095.29/2,752.25
6. Step 6: Final answer
   x = 1,354.93