Finding the Fourth Proportional to 3,636.40, 5,018.34 and 2,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.40 : 5,018.34 = 2,064.50 : x
2. Step 2: Convert to fraction form
   3,636.40/5,018.34 = 2,064.50/x
3. Step 3: Cross multiply
   3,636.40x = 5,018.34 × 2,064.50
4. Step 4: Simplify right side
   3,636.40x = 10,360,362.93
5. Step 5: Solve for x
   x = 10,360,362.93/3,636.40
6. Step 6: Final answer
   x = 2,849.07