Finding the Fourth Proportional to 1,010.48, 1,394.06 and 584.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.48 : 1,394.06 = 584.83 : x
2. Step 2: Convert to fraction form
   1,010.48/1,394.06 = 584.83/x
3. Step 3: Cross multiply
   1,010.48x = 1,394.06 × 584.83
4. Step 4: Simplify right side
   1,010.48x = 815,278.22
5. Step 5: Solve for x
   x = 815,278.22/1,010.48
6. Step 6: Final answer
   x = 806.82