Finding the Fourth Proportional to 64,662.84, 89,234.69 and 36,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,662.84 : 89,234.69 = 36,368.50 : x
2. Step 2: Convert to fraction form
   64,662.84/89,234.69 = 36,368.50/x
3. Step 3: Cross multiply
   64,662.84x = 89,234.69 × 36,368.50
4. Step 4: Simplify right side
   64,662.84x = 3,245,331,823.27
5. Step 5: Solve for x
   x = 3,245,331,823.27/64,662.84
6. Step 6: Final answer
   x = 50,188.51