Finding the Fourth Proportional to 103.82, 143.24 and 60.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103.82 : 143.24 = 60.15 : x
2. Step 2: Convert to fraction form
   103.82/143.24 = 60.15/x
3. Step 3: Cross multiply
   103.82x = 143.24 × 60.15
4. Step 4: Simplify right side
   103.82x = 8,615.59
5. Step 5: Solve for x
   x = 8,615.59/103.82
6. Step 6: Final answer
   x = 82.99