Finding the Fourth Proportional to 3,957.76, 5,462.22 and 2,386.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,957.76 : 5,462.22 = 2,386.72 : x
2. Step 2: Convert to fraction form
   3,957.76/5,462.22 = 2,386.72/x
3. Step 3: Cross multiply
   3,957.76x = 5,462.22 × 2,386.72
4. Step 4: Simplify right side
   3,957.76x = 13,036,789.72
5. Step 5: Solve for x
   x = 13,036,789.72/3,957.76
6. Step 6: Final answer
   x = 3,293.98