Finding the Fourth Proportional to 67.72, 93.54 and 59.08

Step by Step Solution

1. Step 1: Write the proportion equation
   67.72 : 93.54 = 59.08 : x
2. Step 2: Convert to fraction form
   67.72/93.54 = 59.08/x
3. Step 3: Cross multiply
   67.72x = 93.54 × 59.08
4. Step 4: Simplify right side
   67.72x = 5,526.34
5. Step 5: Solve for x
   x = 5,526.34/67.72
6. Step 6: Final answer
   x = 81.61