Finding the Fourth Proportional to 92.82, 139.37 and 83.37

Step by Step Solution

1. Step 1: Write the proportion equation
   92.82 : 139.37 = 83.37 : x
2. Step 2: Convert to fraction form
   92.82/139.37 = 83.37/x
3. Step 3: Cross multiply
   92.82x = 139.37 × 83.37
4. Step 4: Simplify right side
   92.82x = 11,618.86
5. Step 5: Solve for x
   x = 11,618.86/92.82
6. Step 6: Final answer
   x = 125.18