Finding the Fourth Proportional to 3,636.45, 5,018.31 and 2,064.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.45 : 5,018.31 = 2,064.60 : x
2. Step 2: Convert to fraction form
   3,636.45/5,018.31 = 2,064.60/x
3. Step 3: Cross multiply
   3,636.45x = 5,018.31 × 2,064.60
4. Step 4: Simplify right side
   3,636.45x = 10,360,802.83
5. Step 5: Solve for x
   x = 10,360,802.83/3,636.45
6. Step 6: Final answer
   x = 2,849.15