Finding the Fourth Proportional to 3,404.86, 5,107.23 and 1,940.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.86 : 5,107.23 = 1,940.89 : x
2. Step 2: Convert to fraction form
   3,404.86/5,107.23 = 1,940.89/x
3. Step 3: Cross multiply
   3,404.86x = 5,107.23 × 1,940.89
4. Step 4: Simplify right side
   3,404.86x = 9,912,571.63
5. Step 5: Solve for x
   x = 9,912,571.63/3,404.86
6. Step 6: Final answer
   x = 2,911.30