Finding the Fourth Proportional to 1,015.37, 1,401.27 and 573.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.37 : 1,401.27 = 573.29 : x
2. Step 2: Convert to fraction form
   1,015.37/1,401.27 = 573.29/x
3. Step 3: Cross multiply
   1,015.37x = 1,401.27 × 573.29
4. Step 4: Simplify right side
   1,015.37x = 803,334.08
5. Step 5: Solve for x
   x = 803,334.08/1,015.37
6. Step 6: Final answer
   x = 791.17