Finding the Fourth Proportional to 2,634.30, 3,949.83 and 903.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.30 : 3,949.83 = 903.06 : x
2. Step 2: Convert to fraction form
   2,634.30/3,949.83 = 903.06/x
3. Step 3: Cross multiply
   2,634.30x = 3,949.83 × 903.06
4. Step 4: Simplify right side
   2,634.30x = 3,566,933.48
5. Step 5: Solve for x
   x = 3,566,933.48/2,634.30
6. Step 6: Final answer
   x = 1,354.03