Finding the Fourth Proportional to 2,215.61, 3,322.67 and 1,119.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.61 : 3,322.67 = 1,119.27 : x
2. Step 2: Convert to fraction form
   2,215.61/3,322.67 = 1,119.27/x
3. Step 3: Cross multiply
   2,215.61x = 3,322.67 × 1,119.27
4. Step 4: Simplify right side
   2,215.61x = 3,718,959.25
5. Step 5: Solve for x
   x = 3,718,959.25/2,215.61
6. Step 6: Final answer
   x = 1,678.53