Finding the Fourth Proportional to 65,049.74, 89,763.67 and 39,552.57

Step by Step Solution

1. Step 1: Write the proportion equation
   65,049.74 : 89,763.67 = 39,552.57 : x
2. Step 2: Convert to fraction form
   65,049.74/89,763.67 = 39,552.57/x
3. Step 3: Cross multiply
   65,049.74x = 89,763.67 × 39,552.57
4. Step 4: Simplify right side
   65,049.74x = 3,550,383,890.57
5. Step 5: Solve for x
   x = 3,550,383,890.57/65,049.74
6. Step 6: Final answer
   x = 54,579.53