Finding the Fourth Proportional to 65,081.34, 89,811.18 and 36,401.67

Step by Step Solution

1. Step 1: Write the proportion equation
   65,081.34 : 89,811.18 = 36,401.67 : x
2. Step 2: Convert to fraction form
   65,081.34/89,811.18 = 36,401.67/x
3. Step 3: Cross multiply
   65,081.34x = 89,811.18 × 36,401.67
4. Step 4: Simplify right side
   65,081.34x = 3,269,276,936.67
5. Step 5: Solve for x
   x = 3,269,276,936.67/65,081.34
6. Step 6: Final answer
   x = 50,233.71