Finding the Fourth Proportional to 1,048.27, 1,446.61 and 576.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.27 : 1,446.61 = 576.20 : x
2. Step 2: Convert to fraction form
   1,048.27/1,446.61 = 576.20/x
3. Step 3: Cross multiply
   1,048.27x = 1,446.61 × 576.20
4. Step 4: Simplify right side
   1,048.27x = 833,530.89
5. Step 5: Solve for x
   x = 833,530.89/1,048.27
6. Step 6: Final answer
   x = 795.15