Finding the Fourth Proportional to 109.33, 151.00 and 72.65

Step by Step Solution

1. Step 1: Write the proportion equation
   109.33 : 151.00 = 72.65 : x
2. Step 2: Convert to fraction form
   109.33/151.00 = 72.65/x
3. Step 3: Cross multiply
   109.33x = 151.00 × 72.65
4. Step 4: Simplify right side
   109.33x = 10,969.79
5. Step 5: Solve for x
   x = 10,969.79/109.33
6. Step 6: Final answer
   x = 100.34