Finding the Fourth Proportional to 3,740.69, 5,609.31 and 1,107.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740.69 : 5,609.31 = 1,107.25 : x
2. Step 2: Convert to fraction form
   3,740.69/5,609.31 = 1,107.25/x
3. Step 3: Cross multiply
   3,740.69x = 5,609.31 × 1,107.25
4. Step 4: Simplify right side
   3,740.69x = 6,210,922.52
5. Step 5: Solve for x
   x = 6,210,922.52/3,740.69
6. Step 6: Final answer
   x = 1,660.37