Finding the Fourth Proportional to 2,436.10, 3,636.36 and 2,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.10 : 3,636.36 = 2,144.50 : x
2. Step 2: Convert to fraction form
   2,436.10/3,636.36 = 2,144.50/x
3. Step 3: Cross multiply
   2,436.10x = 3,636.36 × 2,144.50
4. Step 4: Simplify right side
   2,436.10x = 7,798,174.02
5. Step 5: Solve for x
   x = 7,798,174.02/2,436.10
6. Step 6: Final answer
   x = 3,201.09