Finding the Fourth Proportional to 1,456.80, 2,185.38 and 482.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.80 : 2,185.38 = 482.82 : x
2. Step 2: Convert to fraction form
   1,456.80/2,185.38 = 482.82/x
3. Step 3: Cross multiply
   1,456.80x = 2,185.38 × 482.82
4. Step 4: Simplify right side
   1,456.80x = 1,055,145.17
5. Step 5: Solve for x
   x = 1,055,145.17/1,456.80
6. Step 6: Final answer
   x = 724.29