Finding the Fourth Proportional to 2,383.49, 3,287.25 and 1,636.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.49 : 3,287.25 = 1,636.27 : x
2. Step 2: Convert to fraction form
   2,383.49/3,287.25 = 1,636.27/x
3. Step 3: Cross multiply
   2,383.49x = 3,287.25 × 1,636.27
4. Step 4: Simplify right side
   2,383.49x = 5,378,820.34
5. Step 5: Solve for x
   x = 5,378,820.34/2,383.49
6. Step 6: Final answer
   x = 2,256.70