Finding the Fourth Proportional to 151.56, 208.83 and 146.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151.56 : 208.83 = 146.16 : x
2. Step 2: Convert to fraction form
   151.56/208.83 = 146.16/x
3. Step 3: Cross multiply
   151.56x = 208.83 × 146.16
4. Step 4: Simplify right side
   151.56x = 30,522.59
5. Step 5: Solve for x
   x = 30,522.59/151.56
6. Step 6: Final answer
   x = 201.39