Finding the Fourth Proportional to 73.89, 101.94 and 42.81

Step by Step Solution

1. Step 1: Write the proportion equation
   73.89 : 101.94 = 42.81 : x
2. Step 2: Convert to fraction form
   73.89/101.94 = 42.81/x
3. Step 3: Cross multiply
   73.89x = 101.94 × 42.81
4. Step 4: Simplify right side
   73.89x = 4,364.05
5. Step 5: Solve for x
   x = 4,364.05/73.89
6. Step 6: Final answer
   x = 59.06