Finding the Fourth Proportional to 117.59, 162.15 and 95.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117.59 : 162.15 = 95.72 : x
2. Step 2: Convert to fraction form
   117.59/162.15 = 95.72/x
3. Step 3: Cross multiply
   117.59x = 162.15 × 95.72
4. Step 4: Simplify right side
   117.59x = 15,521.00
5. Step 5: Solve for x
   x = 15,521.00/117.59
6. Step 6: Final answer
   x = 131.99