Finding the Fourth Proportional to 2,226.27, 3,072.48 and 1,282.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226.27 : 3,072.48 = 1,282.10 : x
2. Step 2: Convert to fraction form
   2,226.27/3,072.48 = 1,282.10/x
3. Step 3: Cross multiply
   2,226.27x = 3,072.48 × 1,282.10
4. Step 4: Simplify right side
   2,226.27x = 3,939,211.25
5. Step 5: Solve for x
   x = 3,939,211.25/2,226.27
6. Step 6: Final answer
   x = 1,769.42