Finding the Fourth Proportional to 142,553.94, 196,731.27 and 82,133.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,553.94 : 196,731.27 = 82,133.88 : x
2. Step 2: Convert to fraction form
   142,553.94/196,731.27 = 82,133.88/x
3. Step 3: Cross multiply
   142,553.94x = 196,731.27 × 82,133.88
4. Step 4: Simplify right side
   142,553.94x = 16,158,302,522.43
5. Step 5: Solve for x
   x = 16,158,302,522.43/142,553.94
6. Step 6: Final answer
   x = 113,348.69