Finding the Fourth Proportional to 1,055.09, 1,456.02 and 600.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.09 : 1,456.02 = 600.81 : x
2. Step 2: Convert to fraction form
   1,055.09/1,456.02 = 600.81/x
3. Step 3: Cross multiply
   1,055.09x = 1,456.02 × 600.81
4. Step 4: Simplify right side
   1,055.09x = 874,791.38
5. Step 5: Solve for x
   x = 874,791.38/1,055.09
6. Step 6: Final answer
   x = 829.12