Finding the Fourth Proportional to 3,789.69, 5,231.39 and 2,548.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.69 : 5,231.39 = 2,548.41 : x
2. Step 2: Convert to fraction form
   3,789.69/5,231.39 = 2,548.41/x
3. Step 3: Cross multiply
   3,789.69x = 5,231.39 × 2,548.41
4. Step 4: Simplify right side
   3,789.69x = 13,331,726.59
5. Step 5: Solve for x
   x = 13,331,726.59/3,789.69
6. Step 6: Final answer
   x = 3,517.89