Finding the Fourth Proportional to 2,225.96, 3,072.25 and 1,282.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.96 : 3,072.25 = 1,282.38 : x
2. Step 2: Convert to fraction form
   2,225.96/3,072.25 = 1,282.38/x
3. Step 3: Cross multiply
   2,225.96x = 3,072.25 × 1,282.38
4. Step 4: Simplify right side
   2,225.96x = 3,939,791.96
5. Step 5: Solve for x
   x = 3,939,791.96/2,225.96
6. Step 6: Final answer
   x = 1,769.93