Finding the Fourth Proportional to 166,849.67, 250,100.42 and 82,557.23

Step by Step Solution

1. Step 1: Write the proportion equation
   166,849.67 : 250,100.42 = 82,557.23 : x
2. Step 2: Convert to fraction form
   166,849.67/250,100.42 = 82,557.23/x
3. Step 3: Cross multiply
   166,849.67x = 250,100.42 × 82,557.23
4. Step 4: Simplify right side
   166,849.67x = 20,647,597,897.04
5. Step 5: Solve for x
   x = 20,647,597,897.04/166,849.67
6. Step 6: Final answer
   x = 123,749.71