Finding the Fourth Proportional to 41,727.89, 57,553.10 and 28,981.09

Step by Step Solution

1. Step 1: Write the proportion equation
   41,727.89 : 57,553.10 = 28,981.09 : x
2. Step 2: Convert to fraction form
   41,727.89/57,553.10 = 28,981.09/x
3. Step 3: Cross multiply
   41,727.89x = 57,553.10 × 28,981.09
4. Step 4: Simplify right side
   41,727.89x = 1,667,951,606.59
5. Step 5: Solve for x
   x = 1,667,951,606.59/41,727.89
6. Step 6: Final answer
   x = 39,972.10