Finding the Fourth Proportional to 3,975.69, 5,486.71 and 2,297.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,975.69 : 5,486.71 = 2,297.17 : x
2. Step 2: Convert to fraction form
   3,975.69/5,486.71 = 2,297.17/x
3. Step 3: Cross multiply
   3,975.69x = 5,486.71 × 2,297.17
4. Step 4: Simplify right side
   3,975.69x = 12,603,886.15
5. Step 5: Solve for x
   x = 12,603,886.15/3,975.69
6. Step 6: Final answer
   x = 3,170.24