Finding the Fourth Proportional to 2,274.50, 3,412.55 and 1,121.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,274.50 : 3,412.55 = 1,121.06 : x
2. Step 2: Convert to fraction form
   2,274.50/3,412.55 = 1,121.06/x
3. Step 3: Cross multiply
   2,274.50x = 3,412.55 × 1,121.06
4. Step 4: Simplify right side
   2,274.50x = 3,825,673.30
5. Step 5: Solve for x
   x = 3,825,673.30/2,274.50
6. Step 6: Final answer
   x = 1,681.98