Finding the Fourth Proportional to 1,028.00, 1,541.79 and 480.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028.00 : 1,541.79 = 480.03 : x
2. Step 2: Convert to fraction form
   1,028.00/1,541.79 = 480.03/x
3. Step 3: Cross multiply
   1,028.00x = 1,541.79 × 480.03
4. Step 4: Simplify right side
   1,028.00x = 740,105.45
5. Step 5: Solve for x
   x = 740,105.45/1,028.00
6. Step 6: Final answer
   x = 719.95