Finding the Fourth Proportional to 78.95, 117.83 and 73.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78.95 : 117.83 = 73.82 : x
2. Step 2: Convert to fraction form
   78.95/117.83 = 73.82/x
3. Step 3: Cross multiply
   78.95x = 117.83 × 73.82
4. Step 4: Simplify right side
   78.95x = 8,698.69
5. Step 5: Solve for x
   x = 8,698.69/78.95
6. Step 6: Final answer
   x = 110.18