Finding the Fourth Proportional to 67.59, 101.34 and 31.55

Step by Step Solution

1. Step 1: Write the proportion equation
   67.59 : 101.34 = 31.55 : x
2. Step 2: Convert to fraction form
   67.59/101.34 = 31.55/x
3. Step 3: Cross multiply
   67.59x = 101.34 × 31.55
4. Step 4: Simplify right side
   67.59x = 3,196.77
5. Step 5: Solve for x
   x = 3,196.77/67.59
6. Step 6: Final answer
   x = 47.30