Finding the Fourth Proportional to 108,243.50, 162,222.69 and 45,836.78

Step by Step Solution

1. Step 1: Write the proportion equation
   108,243.50 : 162,222.69 = 45,836.78 : x
2. Step 2: Convert to fraction form
   108,243.50/162,222.69 = 45,836.78/x
3. Step 3: Cross multiply
   108,243.50x = 162,222.69 × 45,836.78
4. Step 4: Simplify right side
   108,243.50x = 7,435,765,752.54
5. Step 5: Solve for x
   x = 7,435,765,752.54/108,243.50
6. Step 6: Final answer
   x = 68,694.80