Finding the Fourth Proportional to 1,033.02, 1,549.83 and 485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.02 : 1,549.83 = 485.25 : x
2. Step 2: Convert to fraction form
   1,033.02/1,549.83 = 485.25/x
3. Step 3: Cross multiply
   1,033.02x = 1,549.83 × 485.25
4. Step 4: Simplify right side
   1,033.02x = 752,055.01
5. Step 5: Solve for x
   x = 752,055.01/1,033.02
6. Step 6: Final answer
   x = 728.02