Finding the Fourth Proportional to 166,912.24, 250,389.58 and 53,019.42

Step by Step Solution

1. Step 1: Write the proportion equation
   166,912.24 : 250,389.58 = 53,019.42 : x
2. Step 2: Convert to fraction form
   166,912.24/250,389.58 = 53,019.42/x
3. Step 3: Cross multiply
   166,912.24x = 250,389.58 × 53,019.42
4. Step 4: Simplify right side
   166,912.24x = 13,275,510,471.33
5. Step 5: Solve for x
   x = 13,275,510,471.33/166,912.24
6. Step 6: Final answer
   x = 79,535.87