Finding the Fourth Proportional to 3,976.25, 5,487.47 and 2,297.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.25 : 5,487.47 = 2,297.72 : x
2. Step 2: Convert to fraction form
   3,976.25/5,487.47 = 2,297.72/x
3. Step 3: Cross multiply
   3,976.25x = 5,487.47 × 2,297.72
4. Step 4: Simplify right side
   3,976.25x = 12,608,689.03
5. Step 5: Solve for x
   x = 12,608,689.03/3,976.25
6. Step 6: Final answer
   x = 3,171.00