Finding the Fourth Proportional to 108,222.10, 149,249.80 and 67,939.61

Step by Step Solution

1. Step 1: Write the proportion equation
   108,222.10 : 149,249.80 = 67,939.61 : x
2. Step 2: Convert to fraction form
   108,222.10/149,249.80 = 67,939.61/x
3. Step 3: Cross multiply
   108,222.10x = 149,249.80 × 67,939.61
4. Step 4: Simplify right side
   108,222.10x = 10,139,972,661.60
5. Step 5: Solve for x
   x = 10,139,972,661.60/108,222.10
6. Step 6: Final answer
   x = 93,695.95