Finding the Fourth Proportional to 1,458.01, 2,185.89 and 483.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.01 : 2,185.89 = 483.58 : x
2. Step 2: Convert to fraction form
   1,458.01/2,185.89 = 483.58/x
3. Step 3: Cross multiply
   1,458.01x = 2,185.89 × 483.58
4. Step 4: Simplify right side
   1,458.01x = 1,057,052.69
5. Step 5: Solve for x
   x = 1,057,052.69/1,458.01
6. Step 6: Final answer
   x = 725.00