Finding the Fourth Proportional to 3,984.53, 5,974.82 and 2,319.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.53 : 5,974.82 = 2,319.23 : x
2. Step 2: Convert to fraction form
   3,984.53/5,974.82 = 2,319.23/x
3. Step 3: Cross multiply
   3,984.53x = 5,974.82 × 2,319.23
4. Step 4: Simplify right side
   3,984.53x = 13,856,940.32
5. Step 5: Solve for x
   x = 13,856,940.32/3,984.53
6. Step 6: Final answer
   x = 3,477.69