Finding the Fourth Proportional to 73.42, 101.31 and 54.83

Step by Step Solution

1. Step 1: Write the proportion equation
   73.42 : 101.31 = 54.83 : x
2. Step 2: Convert to fraction form
   73.42/101.31 = 54.83/x
3. Step 3: Cross multiply
   73.42x = 101.31 × 54.83
4. Step 4: Simplify right side
   73.42x = 5,554.05
5. Step 5: Solve for x
   x = 5,554.05/73.42
6. Step 6: Final answer
   x = 75.65