Finding the Fourth Proportional to 2,216.36, 3,323.45 and 1,266.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.36 : 3,323.45 = 1,266.41 : x
2. Step 2: Convert to fraction form
   2,216.36/3,323.45 = 1,266.41/x
3. Step 3: Cross multiply
   2,216.36x = 3,323.45 × 1,266.41
4. Step 4: Simplify right side
   2,216.36x = 4,208,827.37
5. Step 5: Solve for x
   x = 4,208,827.37/2,216.36
6. Step 6: Final answer
   x = 1,898.99