Finding the Fourth Proportional to 78.93, 118.37 and 50.00

Step by Step Solution

1. Step 1: Write the proportion equation
   78.93 : 118.37 = 50.00 : x
2. Step 2: Convert to fraction form
   78.93/118.37 = 50.00/x
3. Step 3: Cross multiply
   78.93x = 118.37 × 50.00
4. Step 4: Simplify right side
   78.93x = 5,918.33
5. Step 5: Solve for x
   x = 5,918.33/78.93
6. Step 6: Final answer
   x = 74.98