Finding the Fourth Proportional to 108.60, 162.50 and 82.83

Step by Step Solution

1. Step 1: Write the proportion equation
   108.60 : 162.50 = 82.83 : x
2. Step 2: Convert to fraction form
   108.60/162.50 = 82.83/x
3. Step 3: Cross multiply
   108.60x = 162.50 × 82.83
4. Step 4: Simplify right side
   108.60x = 13,459.46
5. Step 5: Solve for x
   x = 13,459.46/108.60
6. Step 6: Final answer
   x = 123.94