Finding the Fourth Proportional to 108,222.28, 149,250.06 and 67,939.80

Step by Step Solution

1. Step 1: Write the proportion equation
   108,222.28 : 149,250.06 = 67,939.80 : x
2. Step 2: Convert to fraction form
   108,222.28/149,250.06 = 67,939.80/x
3. Step 3: Cross multiply
   108,222.28x = 149,250.06 × 67,939.80
4. Step 4: Simplify right side
   108,222.28x = 10,140,019,226.39
5. Step 5: Solve for x
   x = 10,140,019,226.39/108,222.28
6. Step 6: Final answer
   x = 93,696.23