Finding the Fourth Proportional to 67.88, 93.50 and 59.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67.88 : 93.50 = 59.72 : x
2. Step 2: Convert to fraction form
   67.88/93.50 = 59.72/x
3. Step 3: Cross multiply
   67.88x = 93.50 × 59.72
4. Step 4: Simplify right side
   67.88x = 5,583.82
5. Step 5: Solve for x
   x = 5,583.82/67.88
6. Step 6: Final answer
   x = 82.26