Finding the Fourth Proportional to 117.69, 162.41 and 65.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117.69 : 162.41 = 65.94 : x
2. Step 2: Convert to fraction form
   117.69/162.41 = 65.94/x
3. Step 3: Cross multiply
   117.69x = 162.41 × 65.94
4. Step 4: Simplify right side
   117.69x = 10,709.32
5. Step 5: Solve for x
   x = 10,709.32/117.69
6. Step 6: Final answer
   x = 91.00