Finding the Fourth Proportional to 166,104.72, 229,144.78 and 108,718.77

Step by Step Solution

1. Step 1: Write the proportion equation
   166,104.72 : 229,144.78 = 108,718.77 : x
2. Step 2: Convert to fraction form
   166,104.72/229,144.78 = 108,718.77/x
3. Step 3: Cross multiply
   166,104.72x = 229,144.78 × 108,718.77
4. Step 4: Simplify right side
   166,104.72x = 24,912,339,206.38
5. Step 5: Solve for x
   x = 24,912,339,206.38/166,104.72
6. Step 6: Final answer
   x = 149,979.72