Finding the Fourth Proportional to 1,456.93, 2,185.55 and 483.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.93 : 2,185.55 = 483.03 : x
2. Step 2: Convert to fraction form
   1,456.93/2,185.55 = 483.03/x
3. Step 3: Cross multiply
   1,456.93x = 2,185.55 × 483.03
4. Step 4: Simplify right side
   1,456.93x = 1,055,687.42
5. Step 5: Solve for x
   x = 1,055,687.42/1,456.93
6. Step 6: Final answer
   x = 724.60