Finding the Fourth Proportional to 96.43, 132.83 and 71.83

Step by Step Solution

1. Step 1: Write the proportion equation
   96.43 : 132.83 = 71.83 : x
2. Step 2: Convert to fraction form
   96.43/132.83 = 71.83/x
3. Step 3: Cross multiply
   96.43x = 132.83 × 71.83
4. Step 4: Simplify right side
   96.43x = 9,540.34
5. Step 5: Solve for x
   x = 9,540.34/96.43
6. Step 6: Final answer
   x = 98.94