Finding the Fourth Proportional to 116.72, 161.03 and 67.59

Step by Step Solution

1. Step 1: Write the proportion equation
   116.72 : 161.03 = 67.59 : x
2. Step 2: Convert to fraction form
   116.72/161.03 = 67.59/x
3. Step 3: Cross multiply
   116.72x = 161.03 × 67.59
4. Step 4: Simplify right side
   116.72x = 10,884.02
5. Step 5: Solve for x
   x = 10,884.02/116.72
6. Step 6: Final answer
   x = 93.25