Finding the Fourth Proportional to 50,672.42, 76,019.52 and 15,136.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,672.42 : 76,019.52 = 15,136.56 : x
2. Step 2: Convert to fraction form
   50,672.42/76,019.52 = 15,136.56/x
3. Step 3: Cross multiply
   50,672.42x = 76,019.52 × 15,136.56
4. Step 4: Simplify right side
   50,672.42x = 1,150,674,025.65
5. Step 5: Solve for x
   x = 1,150,674,025.65/50,672.42
6. Step 6: Final answer
   x = 22,708.09