Finding the Fourth Proportional to 1,483.68, 2,224.83 and 443.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.68 : 2,224.83 = 443.41 : x
2. Step 2: Convert to fraction form
   1,483.68/2,224.83 = 443.41/x
3. Step 3: Cross multiply
   1,483.68x = 2,224.83 × 443.41
4. Step 4: Simplify right side
   1,483.68x = 986,498.53
5. Step 5: Solve for x
   x = 986,498.53/1,483.68
6. Step 6: Final answer
   x = 664.90