Finding the Fourth Proportional to 108,738.67, 150,059.37 and 60,990.97

Step by Step Solution

1. Step 1: Write the proportion equation
   108,738.67 : 150,059.37 = 60,990.97 : x
2. Step 2: Convert to fraction form
   108,738.67/150,059.37 = 60,990.97/x
3. Step 3: Cross multiply
   108,738.67x = 150,059.37 × 60,990.97
4. Step 4: Simplify right side
   108,738.67x = 9,152,266,533.89
5. Step 5: Solve for x
   x = 9,152,266,533.89/108,738.67
6. Step 6: Final answer
   x = 84,167.54