Finding the Fourth Proportional to 59.92, 89.87 and 19.33

Step by Step Solution

1. Step 1: Write the proportion equation
   59.92 : 89.87 = 19.33 : x
2. Step 2: Convert to fraction form
   59.92/89.87 = 19.33/x
3. Step 3: Cross multiply
   59.92x = 89.87 × 19.33
4. Step 4: Simplify right side
   59.92x = 1,736.87
5. Step 5: Solve for x
   x = 1,736.87/59.92
6. Step 6: Final answer
   x = 28.99