Finding the Fourth Proportional to 2,196.37, 3,281.66 and 2,119.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.37 : 3,281.66 = 2,119.81 : x
2. Step 2: Convert to fraction form
   2,196.37/3,281.66 = 2,119.81/x
3. Step 3: Cross multiply
   2,196.37x = 3,281.66 × 2,119.81
4. Step 4: Simplify right side
   2,196.37x = 6,956,495.68
5. Step 5: Solve for x
   x = 6,956,495.68/2,196.37
6. Step 6: Final answer
   x = 3,167.27