Finding the Fourth Proportional to 146.27, 219.41 and 55.00

Step by Step Solution

1. Step 1: Write the proportion equation
   146.27 : 219.41 = 55.00 : x
2. Step 2: Convert to fraction form
   146.27/219.41 = 55.00/x
3. Step 3: Cross multiply
   146.27x = 219.41 × 55.00
4. Step 4: Simplify right side
   146.27x = 12,066.52
5. Step 5: Solve for x
   x = 12,066.52/146.27
6. Step 6: Final answer
   x = 82.49