Finding the Fourth Proportional to 67.92, 93.42 and 59.02

Step by Step Solution

1. Step 1: Write the proportion equation
   67.92 : 93.42 = 59.02 : x
2. Step 2: Convert to fraction form
   67.92/93.42 = 59.02/x
3. Step 3: Cross multiply
   67.92x = 93.42 × 59.02
4. Step 4: Simplify right side
   67.92x = 5,513.65
5. Step 5: Solve for x
   x = 5,513.65/67.92
6. Step 6: Final answer
   x = 81.18