Finding the Fourth Proportional to 2,636.49, 3,638.33 and 1,441.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.49 : 3,638.33 = 1,441.46 : x
2. Step 2: Convert to fraction form
   2,636.49/3,638.33 = 1,441.46/x
3. Step 3: Cross multiply
   2,636.49x = 3,638.33 × 1,441.46
4. Step 4: Simplify right side
   2,636.49x = 5,244,481.76
5. Step 5: Solve for x
   x = 5,244,481.76/2,636.49
6. Step 6: Final answer
   x = 1,989.19