Finding the Fourth Proportional to 1,483.05, 2,224.82 and 456.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.05 : 2,224.82 = 456.81 : x
2. Step 2: Convert to fraction form
   1,483.05/2,224.82 = 456.81/x
3. Step 3: Cross multiply
   1,483.05x = 2,224.82 × 456.81
4. Step 4: Simplify right side
   1,483.05x = 1,016,320.02
5. Step 5: Solve for x
   x = 1,016,320.02/1,483.05
6. Step 6: Final answer
   x = 685.29