Finding the Fourth Proportional to 142,696.53, 196,920.72 and 82,266.89

Step by Step Solution

1. Step 1: Write the proportion equation
   142,696.53 : 196,920.72 = 82,266.89 : x
2. Step 2: Convert to fraction form
   142,696.53/196,920.72 = 82,266.89/x
3. Step 3: Cross multiply
   142,696.53x = 196,920.72 × 82,266.89
4. Step 4: Simplify right side
   142,696.53x = 16,200,054,226.36
5. Step 5: Solve for x
   x = 16,200,054,226.36/142,696.53
6. Step 6: Final answer
   x = 113,528.02