Finding the Fourth Proportional to 127.33, 191.00 and 105.46

Step by Step Solution

1. Step 1: Write the proportion equation
   127.33 : 191.00 = 105.46 : x
2. Step 2: Convert to fraction form
   127.33/191.00 = 105.46/x
3. Step 3: Cross multiply
   127.33x = 191.00 × 105.46
4. Step 4: Simplify right side
   127.33x = 20,142.33
5. Step 5: Solve for x
   x = 20,142.33/127.33
6. Step 6: Final answer
   x = 158.19