Finding the Fourth Proportional to 3,936.33, 5,432.81 and 3,761.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.33 : 5,432.81 = 3,761.37 : x
2. Step 2: Convert to fraction form
   3,936.33/5,432.81 = 3,761.37/x
3. Step 3: Cross multiply
   3,936.33x = 5,432.81 × 3,761.37
4. Step 4: Simplify right side
   3,936.33x = 20,434,789.74
5. Step 5: Solve for x
   x = 20,434,789.74/3,936.33
6. Step 6: Final answer
   x = 5,191.33