Finding the Fourth Proportional to 1,086, 1,625.22 and 1,022.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086 : 1,625.22 = 1,022.82 : x
2. Step 2: Convert to fraction form
   1,086/1,625.22 = 1,022.82/x
3. Step 3: Cross multiply
   1,086x = 1,625.22 × 1,022.82
4. Step 4: Simplify right side
   1,086x = 1,662,307.52
5. Step 5: Solve for x
   x = 1,662,307.52/1,086
6. Step 6: Final answer
   x = 1,530.67