Finding the Fourth Proportional to 3,859.38, 5,789.03 and 937.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859.38 : 5,789.03 = 937.69 : x
2. Step 2: Convert to fraction form
   3,859.38/5,789.03 = 937.69/x
3. Step 3: Cross multiply
   3,859.38x = 5,789.03 × 937.69
4. Step 4: Simplify right side
   3,859.38x = 5,428,296.38
5. Step 5: Solve for x
   x = 5,428,296.38/3,859.38
6. Step 6: Final answer
   x = 1,406.52