Finding the Fourth Proportional to 127.59, 191.37 and 50.53

Step by Step Solution

1. Step 1: Write the proportion equation
   127.59 : 191.37 = 50.53 : x
2. Step 2: Convert to fraction form
   127.59/191.37 = 50.53/x
3. Step 3: Cross multiply
   127.59x = 191.37 × 50.53
4. Step 4: Simplify right side
   127.59x = 9,669.10
5. Step 5: Solve for x
   x = 9,669.10/127.59
6. Step 6: Final answer
   x = 75.79