Finding the Fourth Proportional to 1,050.48, 1,449.72 and 584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.48 : 1,449.72 = 584.72 : x
2. Step 2: Convert to fraction form
   1,050.48/1,449.72 = 584.72/x
3. Step 3: Cross multiply
   1,050.48x = 1,449.72 × 584.72
4. Step 4: Simplify right side
   1,050.48x = 847,680.28
5. Step 5: Solve for x
   x = 847,680.28/1,050.48
6. Step 6: Final answer
   x = 806.95