Finding the Fourth Proportional to 116.72, 174.72 and 101.24

Step by Step Solution

1. Step 1: Write the proportion equation
   116.72 : 174.72 = 101.24 : x
2. Step 2: Convert to fraction form
   116.72/174.72 = 101.24/x
3. Step 3: Cross multiply
   116.72x = 174.72 × 101.24
4. Step 4: Simplify right side
   116.72x = 17,688.65
5. Step 5: Solve for x
   x = 17,688.65/116.72
6. Step 6: Final answer
   x = 151.55