Finding the Fourth Proportional to 3,407.69, 5,103.34 and 1,942.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407.69 : 5,103.34 = 1,942.40 : x
2. Step 2: Convert to fraction form
   3,407.69/5,103.34 = 1,942.40/x
3. Step 3: Cross multiply
   3,407.69x = 5,103.34 × 1,942.40
4. Step 4: Simplify right side
   3,407.69x = 9,912,735.52
5. Step 5: Solve for x
   x = 9,912,735.52/3,407.69
6. Step 6: Final answer
   x = 2,908.93