Finding the Fourth Proportional to 89.26, 123.27 and 72.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89.26 : 123.27 = 72.94 : x
2. Step 2: Convert to fraction form
   89.26/123.27 = 72.94/x
3. Step 3: Cross multiply
   89.26x = 123.27 × 72.94
4. Step 4: Simplify right side
   89.26x = 8,991.31
5. Step 5: Solve for x
   x = 8,991.31/89.26
6. Step 6: Final answer
   x = 100.73