Finding the Fourth Proportional to 1,017.94, 1,524.98 and 584.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.94 : 1,524.98 = 584.18 : x
2. Step 2: Convert to fraction form
   1,017.94/1,524.98 = 584.18/x
3. Step 3: Cross multiply
   1,017.94x = 1,524.98 × 584.18
4. Step 4: Simplify right side
   1,017.94x = 890,862.82
5. Step 5: Solve for x
   x = 890,862.82/1,017.94
6. Step 6: Final answer
   x = 875.16