Finding the Fourth Proportional to 3,974.69, 5,485.33 and 2,296.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.69 : 5,485.33 = 2,296.17 : x
2. Step 2: Convert to fraction form
   3,974.69/5,485.33 = 2,296.17/x
3. Step 3: Cross multiply
   3,974.69x = 5,485.33 × 2,296.17
4. Step 4: Simplify right side
   3,974.69x = 12,595,211.28
5. Step 5: Solve for x
   x = 12,595,211.28/3,974.69
6. Step 6: Final answer
   x = 3,168.86