Finding the Fourth Proportional to 166,678.50, 230,016.33 and 91,227

Step by Step Solution

1. Step 1: Write the proportion equation
   166,678.50 : 230,016.33 = 91,227 : x
2. Step 2: Convert to fraction form
   166,678.50/230,016.33 = 91,227/x
3. Step 3: Cross multiply
   166,678.50x = 230,016.33 × 91,227
4. Step 4: Simplify right side
   166,678.50x = 20,983,699,736.91
5. Step 5: Solve for x
   x = 20,983,699,736.91/166,678.50
6. Step 6: Final answer
   x = 125,893.26