Finding the Fourth Proportional to 2,284.22, 3,426.51 and 823.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.22 : 3,426.51 = 823.52 : x
2. Step 2: Convert to fraction form
   2,284.22/3,426.51 = 823.52/x
3. Step 3: Cross multiply
   2,284.22x = 3,426.51 × 823.52
4. Step 4: Simplify right side
   2,284.22x = 2,821,799.52
5. Step 5: Solve for x
   x = 2,821,799.52/2,284.22
6. Step 6: Final answer
   x = 1,235.34