Finding the Fourth Proportional to 85.94, 118.59 and 49.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85.94 : 118.59 = 49.10 : x
2. Step 2: Convert to fraction form
   85.94/118.59 = 49.10/x
3. Step 3: Cross multiply
   85.94x = 118.59 × 49.10
4. Step 4: Simplify right side
   85.94x = 5,822.77
5. Step 5: Solve for x
   x = 5,822.77/85.94
6. Step 6: Final answer
   x = 67.75