Finding the Fourth Proportional to 142,581.96, 196,783.83 and 82,140.84

Step by Step Solution

1. Step 1: Write the proportion equation
   142,581.96 : 196,783.83 = 82,140.84 : x
2. Step 2: Convert to fraction form
   142,581.96/196,783.83 = 82,140.84/x
3. Step 3: Cross multiply
   142,581.96x = 196,783.83 × 82,140.84
4. Step 4: Simplify right side
   142,581.96x = 16,163,989,094.62
5. Step 5: Solve for x
   x = 16,163,989,094.62/142,581.96
6. Step 6: Final answer
   x = 113,366.30