Finding the Fourth Proportional to 3,087.69, 4,261.61 and 2,340.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087.69 : 4,261.61 = 2,340.34 : x
2. Step 2: Convert to fraction form
   3,087.69/4,261.61 = 2,340.34/x
3. Step 3: Cross multiply
   3,087.69x = 4,261.61 × 2,340.34
4. Step 4: Simplify right side
   3,087.69x = 9,973,604.65
5. Step 5: Solve for x
   x = 9,973,604.65/3,087.69
6. Step 6: Final answer
   x = 3,230.12