Finding the Fourth Proportional to 2,327.22, 3,210.72 and 1,318.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.22 : 3,210.72 = 1,318.80 : x
2. Step 2: Convert to fraction form
   2,327.22/3,210.72 = 1,318.80/x
3. Step 3: Cross multiply
   2,327.22x = 3,210.72 × 1,318.80
4. Step 4: Simplify right side
   2,327.22x = 4,234,297.54
5. Step 5: Solve for x
   x = 4,234,297.54/2,327.22
6. Step 6: Final answer
   x = 1,819.47