Finding the Fourth Proportional to 2,449.18, 3,674.04 and 889.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.18 : 3,674.04 = 889.30 : x
2. Step 2: Convert to fraction form
   2,449.18/3,674.04 = 889.30/x
3. Step 3: Cross multiply
   2,449.18x = 3,674.04 × 889.30
4. Step 4: Simplify right side
   2,449.18x = 3,267,323.77
5. Step 5: Solve for x
   x = 3,267,323.77/2,449.18
6. Step 6: Final answer
   x = 1,334.05