Finding the Fourth Proportional to 65,072.37, 89,799.24 and 36,391.71

Step by Step Solution

1. Step 1: Write the proportion equation
   65,072.37 : 89,799.24 = 36,391.71 : x
2. Step 2: Convert to fraction form
   65,072.37/89,799.24 = 36,391.71/x
3. Step 3: Cross multiply
   65,072.37x = 89,799.24 × 36,391.71
4. Step 4: Simplify right side
   65,072.37x = 3,267,947,900.30
5. Step 5: Solve for x
   x = 3,267,947,900.30/65,072.37
6. Step 6: Final answer
   x = 50,220.21