Finding the Fourth Proportional to 1,483.02, 2,224.86 and 443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.02 : 2,224.86 = 443.10 : x
2. Step 2: Convert to fraction form
   1,483.02/2,224.86 = 443.10/x
3. Step 3: Cross multiply
   1,483.02x = 2,224.86 × 443.10
4. Step 4: Simplify right side
   1,483.02x = 985,835.47
5. Step 5: Solve for x
   x = 985,835.47/1,483.02
6. Step 6: Final answer
   x = 664.75