Finding the Fourth Proportional to 3,179.50, 4,763.69 and 2,206.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,179.50 : 4,763.69 = 2,206.22 : x
2. Step 2: Convert to fraction form
   3,179.50/4,763.69 = 2,206.22/x
3. Step 3: Cross multiply
   3,179.50x = 4,763.69 × 2,206.22
4. Step 4: Simplify right side
   3,179.50x = 10,509,748.15
5. Step 5: Solve for x
   x = 10,509,748.15/3,179.50
6. Step 6: Final answer
   x = 3,305.47