Finding the Fourth Proportional to 73.71, 110.52 and 28.05

Step by Step Solution

1. Step 1: Write the proportion equation
   73.71 : 110.52 = 28.05 : x
2. Step 2: Convert to fraction form
   73.71/110.52 = 28.05/x
3. Step 3: Cross multiply
   73.71x = 110.52 × 28.05
4. Step 4: Simplify right side
   73.71x = 3,100.09
5. Step 5: Solve for x
   x = 3,100.09/73.71
6. Step 6: Final answer
   x = 42.06