Finding the Fourth Proportional to 104.96, 158.18 and 100.82

Step by Step Solution

1. Step 1: Write the proportion equation
   104.96 : 158.18 = 100.82 : x
2. Step 2: Convert to fraction form
   104.96/158.18 = 100.82/x
3. Step 3: Cross multiply
   104.96x = 158.18 × 100.82
4. Step 4: Simplify right side
   104.96x = 15,947.71
5. Step 5: Solve for x
   x = 15,947.71/104.96
6. Step 6: Final answer
   x = 151.94