Finding the Fourth Proportional to 3,974.24, 5,955.76 and 3,386.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.24 : 5,955.76 = 3,386.16 : x
2. Step 2: Convert to fraction form
   3,974.24/5,955.76 = 3,386.16/x
3. Step 3: Cross multiply
   3,974.24x = 5,955.76 × 3,386.16
4. Step 4: Simplify right side
   3,974.24x = 20,167,156.28
5. Step 5: Solve for x
   x = 20,167,156.28/3,974.24
6. Step 6: Final answer
   x = 5,074.47