Finding the Fourth Proportional to 2,851.43, 4,276.71 and 903.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,851.43 : 4,276.71 = 903.38 : x
2. Step 2: Convert to fraction form
   2,851.43/4,276.71 = 903.38/x
3. Step 3: Cross multiply
   2,851.43x = 4,276.71 × 903.38
4. Step 4: Simplify right side
   2,851.43x = 3,863,472.90
5. Step 5: Solve for x
   x = 3,863,472.90/2,851.43
6. Step 6: Final answer
   x = 1,354.93