Finding the Fourth Proportional to 3,636.78, 5,018.65 and 2,064.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.78 : 5,018.65 = 2,064.84 : x
2. Step 2: Convert to fraction form
   3,636.78/5,018.65 = 2,064.84/x
3. Step 3: Cross multiply
   3,636.78x = 5,018.65 × 2,064.84
4. Step 4: Simplify right side
   3,636.78x = 10,362,709.27
5. Step 5: Solve for x
   x = 10,362,709.27/3,636.78
6. Step 6: Final answer
   x = 2,849.42