Finding the Fourth Proportional to 2,287.07, 3,429.83 and 900.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.07 : 3,429.83 = 900.04 : x
2. Step 2: Convert to fraction form
   2,287.07/3,429.83 = 900.04/x
3. Step 3: Cross multiply
   2,287.07x = 3,429.83 × 900.04
4. Step 4: Simplify right side
   2,287.07x = 3,086,974.49
5. Step 5: Solve for x
   x = 3,086,974.49/2,287.07
6. Step 6: Final answer
   x = 1,349.75