Finding the Fourth Proportional to 78.95, 118.42 and 35.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78.95 : 118.42 = 35.59 : x
2. Step 2: Convert to fraction form
   78.95/118.42 = 35.59/x
3. Step 3: Cross multiply
   78.95x = 118.42 × 35.59
4. Step 4: Simplify right side
   78.95x = 4,214.57
5. Step 5: Solve for x
   x = 4,214.57/78.95
6. Step 6: Final answer
   x = 53.38