Finding the Fourth Proportional to 3,636.88, 5,018.96 and 2,065.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.88 : 5,018.96 = 2,065.07 : x
2. Step 2: Convert to fraction form
   3,636.88/5,018.96 = 2,065.07/x
3. Step 3: Cross multiply
   3,636.88x = 5,018.96 × 2,065.07
4. Step 4: Simplify right side
   3,636.88x = 10,364,503.73
5. Step 5: Solve for x
   x = 10,364,503.73/3,636.88
6. Step 6: Final answer
   x = 2,849.83