Finding the Fourth Proportional to 2,226.14, 3,071.98 and 1,217.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226.14 : 3,071.98 = 1,217.83 : x
2. Step 2: Convert to fraction form
   2,226.14/3,071.98 = 1,217.83/x
3. Step 3: Cross multiply
   2,226.14x = 3,071.98 × 1,217.83
4. Step 4: Simplify right side
   2,226.14x = 3,741,136.94
5. Step 5: Solve for x
   x = 3,741,136.94/2,226.14
6. Step 6: Final answer
   x = 1,680.55