Finding the Fourth Proportional to 123.35, 185.01 and 54.83

Step by Step Solution

1. Step 1: Write the proportion equation
   123.35 : 185.01 = 54.83 : x
2. Step 2: Convert to fraction form
   123.35/185.01 = 54.83/x
3. Step 3: Cross multiply
   123.35x = 185.01 × 54.83
4. Step 4: Simplify right side
   123.35x = 10,143.17
5. Step 5: Solve for x
   x = 10,143.17/123.35
6. Step 6: Final answer
   x = 82.23