Finding the Fourth Proportional to 2,448.81, 3,673.50 and 889.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.81 : 3,673.50 = 889.55 : x
2. Step 2: Convert to fraction form
   2,448.81/3,673.50 = 889.55/x
3. Step 3: Cross multiply
   2,448.81x = 3,673.50 × 889.55
4. Step 4: Simplify right side
   2,448.81x = 3,267,743.56
5. Step 5: Solve for x
   x = 3,267,743.56/2,448.81
6. Step 6: Final answer
   x = 1,334.42