Finding the Fourth Proportional to 166,105.05, 229,145.27 and 108,719.12

Step by Step Solution

1. Step 1: Write the proportion equation
   166,105.05 : 229,145.27 = 108,719.12 : x
2. Step 2: Convert to fraction form
   166,105.05/229,145.27 = 108,719.12/x
3. Step 3: Cross multiply
   166,105.05x = 229,145.27 × 108,719.12
4. Step 4: Simplify right side
   166,105.05x = 24,912,470,417.24
5. Step 5: Solve for x
   x = 24,912,470,417.24/166,105.05
6. Step 6: Final answer
   x = 149,980.21