Finding the Fourth Proportional to 143,087.34, 197,469.72 and 82,660.53

Step by Step Solution

1. Step 1: Write the proportion equation
   143,087.34 : 197,469.72 = 82,660.53 : x
2. Step 2: Convert to fraction form
   143,087.34/197,469.72 = 82,660.53/x
3. Step 3: Cross multiply
   143,087.34x = 197,469.72 × 82,660.53
4. Step 4: Simplify right side
   143,087.34x = 16,322,951,714.15
5. Step 5: Solve for x
   x = 16,322,951,714.15/143,087.34
6. Step 6: Final answer
   x = 114,076.84