Finding the Fourth Proportional to 3,636.10, 5,017.68 and 2,222.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.10 : 5,017.68 = 2,222.15 : x
2. Step 2: Convert to fraction form
   3,636.10/5,017.68 = 2,222.15/x
3. Step 3: Cross multiply
   3,636.10x = 5,017.68 × 2,222.15
4. Step 4: Simplify right side
   3,636.10x = 11,150,037.61
5. Step 5: Solve for x
   x = 11,150,037.61/3,636.10
6. Step 6: Final answer
   x = 3,066.48