Finding the Fourth Proportional to 142,674.84, 196,890.86 and 82,245.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,674.84 : 196,890.86 = 82,245.15 : x
2. Step 2: Convert to fraction form
   142,674.84/196,890.86 = 82,245.15/x
3. Step 3: Cross multiply
   142,674.84x = 196,890.86 × 82,245.15
4. Step 4: Simplify right side
   142,674.84x = 16,193,318,519.94
5. Step 5: Solve for x
   x = 16,193,318,519.94/142,674.84
6. Step 6: Final answer
   x = 113,498.07