Finding the Fourth Proportional to 65,636.33, 98,460.59 and 50,861.78

Step by Step Solution

1. Step 1: Write the proportion equation
   65,636.33 : 98,460.59 = 50,861.78 : x
2. Step 2: Convert to fraction form
   65,636.33/98,460.59 = 50,861.78/x
3. Step 3: Cross multiply
   65,636.33x = 98,460.59 × 50,861.78
4. Step 4: Simplify right side
   65,636.33x = 5,007,880,120.64
5. Step 5: Solve for x
   x = 5,007,880,120.64/65,636.33
6. Step 6: Final answer
   x = 76,297.39