Finding the Fourth Proportional to 67.56, 93.15 and 58.79

Step by Step Solution

1. Step 1: Write the proportion equation
   67.56 : 93.15 = 58.79 : x
2. Step 2: Convert to fraction form
   67.56/93.15 = 58.79/x
3. Step 3: Cross multiply
   67.56x = 93.15 × 58.79
4. Step 4: Simplify right side
   67.56x = 5,475.82
5. Step 5: Solve for x
   x = 5,475.82/67.56
6. Step 6: Final answer
   x = 81.05