Finding the Fourth Proportional to 142,443,158.35, 196,592,203.15 and 82,080,408.54

Step by Step Solution

1. Step 1: Write the proportion equation
   142,443,158.35 : 196,592,203.15 = 82,080,408.54 : x
2. Step 2: Convert to fraction form
   142,443,158.35/196,592,203.15 = 82,080,408.54/x
3. Step 3: Cross multiply
   142,443,158.35x = 196,592,203.15 × 82,080,408.54
4. Step 4: Simplify right side
   142,443,158.35x = 16,136,368,350,330,676
5. Step 5: Solve for x
   x = 16,136,368,350,330,676/142,443,158.35
6. Step 6: Final answer
   x = 113,282,859.89