Finding the Fourth Proportional to 1,091.59, 1,506.32 and 594.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.59 : 1,506.32 = 594.22 : x
2. Step 2: Convert to fraction form
   1,091.59/1,506.32 = 594.22/x
3. Step 3: Cross multiply
   1,091.59x = 1,506.32 × 594.22
4. Step 4: Simplify right side
   1,091.59x = 895,078.73
5. Step 5: Solve for x
   x = 895,078.73/1,091.59
6. Step 6: Final answer
   x = 819.98