Finding the Fourth Proportional to 71.01, 106.52 and 28.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71.01 : 106.52 = 28.25 : x
2. Step 2: Convert to fraction form
   71.01/106.52 = 28.25/x
3. Step 3: Cross multiply
   71.01x = 106.52 × 28.25
4. Step 4: Simplify right side
   71.01x = 3,009.19
5. Step 5: Solve for x
   x = 3,009.19/71.01
6. Step 6: Final answer
   x = 42.38