Finding the Fourth Proportional to 108,738.69, 150,115.50 and 84,485.22

Step by Step Solution

1. Step 1: Write the proportion equation
   108,738.69 : 150,115.50 = 84,485.22 : x
2. Step 2: Convert to fraction form
   108,738.69/150,115.50 = 84,485.22/x
3. Step 3: Cross multiply
   108,738.69x = 150,115.50 × 84,485.22
4. Step 4: Simplify right side
   108,738.69x = 12,682,541,042.91
5. Step 5: Solve for x
   x = 12,682,541,042.91/108,738.69
6. Step 6: Final answer
   x = 116,633.20