Finding the Fourth Proportional to 1,015.14, 1,401.03 and 573.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.14 : 1,401.03 = 573.15 : x
2. Step 2: Convert to fraction form
   1,015.14/1,401.03 = 573.15/x
3. Step 3: Cross multiply
   1,015.14x = 1,401.03 × 573.15
4. Step 4: Simplify right side
   1,015.14x = 803,000.34
5. Step 5: Solve for x
   x = 803,000.34/1,015.14
6. Step 6: Final answer
   x = 791.02