Finding the Fourth Proportional to 3,984.93, 5,976.59 and 2,231.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.93 : 5,976.59 = 2,231.69 : x
2. Step 2: Convert to fraction form
   3,984.93/5,976.59 = 2,231.69/x
3. Step 3: Cross multiply
   3,984.93x = 5,976.59 × 2,231.69
4. Step 4: Simplify right side
   3,984.93x = 13,337,855.10
5. Step 5: Solve for x
   x = 13,337,855.10/3,984.93
6. Step 6: Final answer
   x = 3,347.07