Finding the Fourth Proportional to 150,915.57, 226,198.38 and 142,167.57

Step by Step Solution

1. Step 1: Write the proportion equation
   150,915.57 : 226,198.38 = 142,167.57 : x
2. Step 2: Convert to fraction form
   150,915.57/226,198.38 = 142,167.57/x
3. Step 3: Cross multiply
   150,915.57x = 226,198.38 × 142,167.57
4. Step 4: Simplify right side
   150,915.57x = 32,158,074,022.54
5. Step 5: Solve for x
   x = 32,158,074,022.54/150,915.57
6. Step 6: Final answer
   x = 213,086.52