Finding the Fourth Proportional to 2,636.50, 3,638.32 and 1,441.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.50 : 3,638.32 = 1,441.45 : x
2. Step 2: Convert to fraction form
   2,636.50/3,638.32 = 1,441.45/x
3. Step 3: Cross multiply
   2,636.50x = 3,638.32 × 1,441.45
4. Step 4: Simplify right side
   2,636.50x = 5,244,456.36
5. Step 5: Solve for x
   x = 5,244,456.36/2,636.50
6. Step 6: Final answer
   x = 1,989.17