Finding the Fourth Proportional to 3,953.50, 5,456.31 and 2,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953.50 : 5,456.31 = 2,297.50 : x
2. Step 2: Convert to fraction form
   3,953.50/5,456.31 = 2,297.50/x
3. Step 3: Cross multiply
   3,953.50x = 5,456.31 × 2,297.50
4. Step 4: Simplify right side
   3,953.50x = 12,535,872.23
5. Step 5: Solve for x
   x = 12,535,872.23/3,953.50
6. Step 6: Final answer
   x = 3,170.83