Finding the Fourth Proportional to 3,636.10, 5,440.41 and 2,225.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.10 : 5,440.41 = 2,225.50 : x
2. Step 2: Convert to fraction form
   3,636.10/5,440.41 = 2,225.50/x
3. Step 3: Cross multiply
   3,636.10x = 5,440.41 × 2,225.50
4. Step 4: Simplify right side
   3,636.10x = 12,107,632.46
5. Step 5: Solve for x
   x = 12,107,632.46/3,636.10
6. Step 6: Final answer
   x = 3,329.84