Finding the Fourth Proportional to 109.27, 150.83 and 72.53

Step by Step Solution

1. Step 1: Write the proportion equation
   109.27 : 150.83 = 72.53 : x
2. Step 2: Convert to fraction form
   109.27/150.83 = 72.53/x
3. Step 3: Cross multiply
   109.27x = 150.83 × 72.53
4. Step 4: Simplify right side
   109.27x = 10,939.70
5. Step 5: Solve for x
   x = 10,939.70/109.27
6. Step 6: Final answer
   x = 100.12