Finding the Fourth Proportional to 118.89, 178.25 and 50.37

Step by Step Solution

1. Step 1: Write the proportion equation
   118.89 : 178.25 = 50.37 : x
2. Step 2: Convert to fraction form
   118.89/178.25 = 50.37/x
3. Step 3: Cross multiply
   118.89x = 178.25 × 50.37
4. Step 4: Simplify right side
   118.89x = 8,978.82
5. Step 5: Solve for x
   x = 8,978.82/118.89
6. Step 6: Final answer
   x = 75.52