Finding the Fourth Proportional to 3,447.39, 5,171.00 and 1,107.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,447.39 : 5,171.00 = 1,107.39 : x
2. Step 2: Convert to fraction form
   3,447.39/5,171.00 = 1,107.39/x
3. Step 3: Cross multiply
   3,447.39x = 5,171.00 × 1,107.39
4. Step 4: Simplify right side
   3,447.39x = 5,726,308.15
5. Step 5: Solve for x
   x = 5,726,308.15/3,447.39
6. Step 6: Final answer
   x = 1,661.06