Finding the Fourth Proportional to 1,015.32, 1,401.17 and 573.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.32 : 1,401.17 = 573.23 : x
2. Step 2: Convert to fraction form
   1,015.32/1,401.17 = 573.23/x
3. Step 3: Cross multiply
   1,015.32x = 1,401.17 × 573.23
4. Step 4: Simplify right side
   1,015.32x = 803,182.81
5. Step 5: Solve for x
   x = 803,182.81/1,015.32
6. Step 6: Final answer
   x = 791.06