Finding the Fourth Proportional to 85.63, 118.17 and 46.82

Step by Step Solution

1. Step 1: Write the proportion equation
   85.63 : 118.17 = 46.82 : x
2. Step 2: Convert to fraction form
   85.63/118.17 = 46.82/x
3. Step 3: Cross multiply
   85.63x = 118.17 × 46.82
4. Step 4: Simplify right side
   85.63x = 5,531.89
5. Step 5: Solve for x
   x = 5,531.89/85.63
6. Step 6: Final answer
   x = 64.61