Finding the Fourth Proportional to 109.07, 150.53 and 67.62

Step by Step Solution

1. Step 1: Write the proportion equation
   109.07 : 150.53 = 67.62 : x
2. Step 2: Convert to fraction form
   109.07/150.53 = 67.62/x
3. Step 3: Cross multiply
   109.07x = 150.53 × 67.62
4. Step 4: Simplify right side
   109.07x = 10,178.50
5. Step 5: Solve for x
   x = 10,178.50/109.07
6. Step 6: Final answer
   x = 93.33