Finding the Fourth Proportional to 1,016.01, 1,401.97 and 573.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.01 : 1,401.97 = 573.89 : x
2. Step 2: Convert to fraction form
   1,016.01/1,401.97 = 573.89/x
3. Step 3: Cross multiply
   1,016.01x = 1,401.97 × 573.89
4. Step 4: Simplify right side
   1,016.01x = 804,576.56
5. Step 5: Solve for x
   x = 804,576.56/1,016.01
6. Step 6: Final answer
   x = 791.90