Finding the Fourth Proportional to 96.73, 145.31 and 69.37

Step by Step Solution

1. Step 1: Write the proportion equation
   96.73 : 145.31 = 69.37 : x
2. Step 2: Convert to fraction form
   96.73/145.31 = 69.37/x
3. Step 3: Cross multiply
   96.73x = 145.31 × 69.37
4. Step 4: Simplify right side
   96.73x = 10,080.15
5. Step 5: Solve for x
   x = 10,080.15/96.73
6. Step 6: Final answer
   x = 104.21