Finding the Fourth Proportional to 108,728.80, 150,052.17 and 60,984.79

Step by Step Solution

1. Step 1: Write the proportion equation
   108,728.80 : 150,052.17 = 60,984.79 : x
2. Step 2: Convert to fraction form
   108,728.80/150,052.17 = 60,984.79/x
3. Step 3: Cross multiply
   108,728.80x = 150,052.17 × 60,984.79
4. Step 4: Simplify right side
   108,728.80x = 9,150,900,076.49
5. Step 5: Solve for x
   x = 9,150,900,076.49/108,728.80
6. Step 6: Final answer
   x = 84,162.61