Finding the Fourth Proportional to 3,636.79, 5,019.24 and 2,065.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.79 : 5,019.24 = 2,065.39 : x
2. Step 2: Convert to fraction form
   3,636.79/5,019.24 = 2,065.39/x
3. Step 3: Cross multiply
   3,636.79x = 5,019.24 × 2,065.39
4. Step 4: Simplify right side
   3,636.79x = 10,366,688.10
5. Step 5: Solve for x
   x = 10,366,688.10/3,636.79
6. Step 6: Final answer
   x = 2,850.51