Finding the Fourth Proportional to 2,116.09, 3,172.41 and 884.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.09 : 3,172.41 = 884.42 : x
2. Step 2: Convert to fraction form
   2,116.09/3,172.41 = 884.42/x
3. Step 3: Cross multiply
   2,116.09x = 3,172.41 × 884.42
4. Step 4: Simplify right side
   2,116.09x = 2,805,738.43
5. Step 5: Solve for x
   x = 2,805,738.43/2,116.09
6. Step 6: Final answer
   x = 1,325.91