Finding the Fourth Proportional to 108,520.52, 149,604.18 and 79,789.46

Step by Step Solution

1. Step 1: Write the proportion equation
   108,520.52 : 149,604.18 = 79,789.46 : x
2. Step 2: Convert to fraction form
   108,520.52/149,604.18 = 79,789.46/x
3. Step 3: Cross multiply
   108,520.52x = 149,604.18 × 79,789.46
4. Step 4: Simplify right side
   108,520.52x = 11,936,836,735.94
5. Step 5: Solve for x
   x = 11,936,836,735.94/108,520.52
6. Step 6: Final answer
   x = 109,996.13