Finding the Fourth Proportional to 78.98, 118.83 and 46.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78.98 : 118.83 = 46.94 : x
2. Step 2: Convert to fraction form
   78.98/118.83 = 46.94/x
3. Step 3: Cross multiply
   78.98x = 118.83 × 46.94
4. Step 4: Simplify right side
   78.98x = 5,577.88
5. Step 5: Solve for x
   x = 5,577.88/78.98
6. Step 6: Final answer
   x = 70.62