Finding the Fourth Proportional to 64,500.12, 89,022.78 and 36,204.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,500.12 : 89,022.78 = 36,204.12 : x
2. Step 2: Convert to fraction form
   64,500.12/89,022.78 = 36,204.12/x
3. Step 3: Cross multiply
   64,500.12x = 89,022.78 × 36,204.12
4. Step 4: Simplify right side
   64,500.12x = 3,222,991,409.85
5. Step 5: Solve for x
   x = 3,222,991,409.85/64,500.12
6. Step 6: Final answer
   x = 49,968.77