Finding the Fourth Proportional to 166,105.34, 229,145.64 and 108,719.40

Step by Step Solution

1. Step 1: Write the proportion equation
   166,105.34 : 229,145.64 = 108,719.40 : x
2. Step 2: Convert to fraction form
   166,105.34/229,145.64 = 108,719.40/x
3. Step 3: Cross multiply
   166,105.34x = 229,145.64 × 108,719.40
4. Step 4: Simplify right side
   166,105.34x = 24,912,576,493.42
5. Step 5: Solve for x
   x = 24,912,576,493.42/166,105.34
6. Step 6: Final answer
   x = 149,980.59