Finding the Fourth Proportional to 2,450.56, 3,674.78 and 890.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,450.56 : 3,674.78 = 890.04 : x
2. Step 2: Convert to fraction form
   2,450.56/3,674.78 = 890.04/x
3. Step 3: Cross multiply
   2,450.56x = 3,674.78 × 890.04
4. Step 4: Simplify right side
   2,450.56x = 3,270,710.52
5. Step 5: Solve for x
   x = 3,270,710.52/2,450.56
6. Step 6: Final answer
   x = 1,334.68