Finding the Fourth Proportional to 91.60, 126.38 and 82.83

Step by Step Solution

1. Step 1: Write the proportion equation
   91.60 : 126.38 = 82.83 : x
2. Step 2: Convert to fraction form
   91.60/126.38 = 82.83/x
3. Step 3: Cross multiply
   91.60x = 126.38 × 82.83
4. Step 4: Simplify right side
   91.60x = 10,467.17
5. Step 5: Solve for x
   x = 10,467.17/91.60
6. Step 6: Final answer
   x = 114.27