Finding the Fourth Proportional to 1,483.32, 2,225.37 and 443.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.32 : 2,225.37 = 443.32 : x
2. Step 2: Convert to fraction form
   1,483.32/2,225.37 = 443.32/x
3. Step 3: Cross multiply
   1,483.32x = 2,225.37 × 443.32
4. Step 4: Simplify right side
   1,483.32x = 986,549.92
5. Step 5: Solve for x
   x = 986,549.92/1,483.32
6. Step 6: Final answer
   x = 665.10