Finding the Fourth Proportional to 142,849.84, 197,134.56 and 82,433.02

Step by Step Solution

1. Step 1: Write the proportion equation
   142,849.84 : 197,134.56 = 82,433.02 : x
2. Step 2: Convert to fraction form
   142,849.84/197,134.56 = 82,433.02/x
3. Step 3: Cross multiply
   142,849.84x = 197,134.56 × 82,433.02
4. Step 4: Simplify right side
   142,849.84x = 16,250,397,127.17
5. Step 5: Solve for x
   x = 16,250,397,127.17/142,849.84
6. Step 6: Final answer
   x = 113,758.60