Finding the Fourth Proportional to 1,081.75, 1,492.82 and 584.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.75 : 1,492.82 = 584.39 : x
2. Step 2: Convert to fraction form
   1,081.75/1,492.82 = 584.39/x
3. Step 3: Cross multiply
   1,081.75x = 1,492.82 × 584.39
4. Step 4: Simplify right side
   1,081.75x = 872,389.48
5. Step 5: Solve for x
   x = 872,389.48/1,081.75
6. Step 6: Final answer
   x = 806.46