Finding the Fourth Proportional to 65,680.56, 90,629.37 and 36,996.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,680.56 : 90,629.37 = 36,996.12 : x
2. Step 2: Convert to fraction form
   65,680.56/90,629.37 = 36,996.12/x
3. Step 3: Cross multiply
   65,680.56x = 90,629.37 × 36,996.12
4. Step 4: Simplify right side
   65,680.56x = 3,352,935,048.04
5. Step 5: Solve for x
   x = 3,352,935,048.04/65,680.56
6. Step 6: Final answer
   x = 51,049.12