Finding the Fourth Proportional to 3,636.81, 5,018.90 and 2,065.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.81 : 5,018.90 = 2,065.14 : x
2. Step 2: Convert to fraction form
   3,636.81/5,018.90 = 2,065.14/x
3. Step 3: Cross multiply
   3,636.81x = 5,018.90 × 2,065.14
4. Step 4: Simplify right side
   3,636.81x = 10,364,720.82
5. Step 5: Solve for x
   x = 10,364,720.82/3,636.81
6. Step 6: Final answer
   x = 2,849.95