Finding the Fourth Proportional to 2,256.69, 3,112.11 and 1,631.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.69 : 3,112.11 = 1,631.37 : x
2. Step 2: Convert to fraction form
   2,256.69/3,112.11 = 1,631.37/x
3. Step 3: Cross multiply
   2,256.69x = 3,112.11 × 1,631.37
4. Step 4: Simplify right side
   2,256.69x = 5,077,002.89
5. Step 5: Solve for x
   x = 5,077,002.89/2,256.69
6. Step 6: Final answer
   x = 2,249.76