Finding the Fourth Proportional to 3,900.94, 5,853.38 and 1,709.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.94 : 5,853.38 = 1,709.69 : x
2. Step 2: Convert to fraction form
   3,900.94/5,853.38 = 1,709.69/x
3. Step 3: Cross multiply
   3,900.94x = 5,853.38 × 1,709.69
4. Step 4: Simplify right side
   3,900.94x = 10,007,427.44
5. Step 5: Solve for x
   x = 10,007,427.44/3,900.94
6. Step 6: Final answer
   x = 2,565.39