Finding the Fourth Proportional to 150.71, 226.06 and 42.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150.71 : 226.06 = 42.50 : x
2. Step 2: Convert to fraction form
   150.71/226.06 = 42.50/x
3. Step 3: Cross multiply
   150.71x = 226.06 × 42.50
4. Step 4: Simplify right side
   150.71x = 9,606.31
5. Step 5: Solve for x
   x = 9,606.31/150.71
6. Step 6: Final answer
   x = 63.74