Finding the Fourth Proportional to 3,936.38, 5,432.27 and 2,541.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.38 : 5,432.27 = 2,541.56 : x
2. Step 2: Convert to fraction form
   3,936.38/5,432.27 = 2,541.56/x
3. Step 3: Cross multiply
   3,936.38x = 5,432.27 × 2,541.56
4. Step 4: Simplify right side
   3,936.38x = 13,806,400.27
5. Step 5: Solve for x
   x = 13,806,400.27/3,936.38
6. Step 6: Final answer
   x = 3,507.39