Finding the Fourth Proportional to 65,269.94, 90,072.41 and 39,776.27

Step by Step Solution

1. Step 1: Write the proportion equation
   65,269.94 : 90,072.41 = 39,776.27 : x
2. Step 2: Convert to fraction form
   65,269.94/90,072.41 = 39,776.27/x
3. Step 3: Cross multiply
   65,269.94x = 90,072.41 × 39,776.27
4. Step 4: Simplify right side
   65,269.94x = 3,582,743,850.47
5. Step 5: Solve for x
   x = 3,582,743,850.47/65,269.94
6. Step 6: Final answer
   x = 54,891.18