Finding the Fourth Proportional to 3,957.48, 5,460.72 and 2,256

Step by Step Solution

1. Step 1: Write the proportion equation
   3,957.48 : 5,460.72 = 2,256 : x
2. Step 2: Convert to fraction form
   3,957.48/5,460.72 = 2,256/x
3. Step 3: Cross multiply
   3,957.48x = 5,460.72 × 2,256
4. Step 4: Simplify right side
   3,957.48x = 12,319,384.32
5. Step 5: Solve for x
   x = 12,319,384.32/3,957.48
6. Step 6: Final answer
   x = 3,112.94