Finding the Fourth Proportional to 104.27, 143.83 and 71.03

Step by Step Solution

1. Step 1: Write the proportion equation
   104.27 : 143.83 = 71.03 : x
2. Step 2: Convert to fraction form
   104.27/143.83 = 71.03/x
3. Step 3: Cross multiply
   104.27x = 143.83 × 71.03
4. Step 4: Simplify right side
   104.27x = 10,216.43
5. Step 5: Solve for x
   x = 10,216.43/104.27
6. Step 6: Final answer
   x = 97.99