Finding the Fourth Proportional to 108,728.39, 150,045.72 and 60,984.29

Step by Step Solution

1. Step 1: Write the proportion equation
   108,728.39 : 150,045.72 = 60,984.29 : x
2. Step 2: Convert to fraction form
   108,728.39/150,045.72 = 60,984.29/x
3. Step 3: Cross multiply
   108,728.39x = 150,045.72 × 60,984.29
4. Step 4: Simplify right side
   108,728.39x = 9,150,431,848.16
5. Step 5: Solve for x
   x = 9,150,431,848.16/108,728.39
6. Step 6: Final answer
   x = 84,158.62