Finding the Fourth Proportional to 142,863,327,100.26, 197,138,577,104.01 and 82,720,355,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,863,327,100.26 : 197,138,577,104.01 = 82,720,355,408.10 : x
2. Step 2: Convert to fraction form
   142,863,327,100.26/197,138,577,104.01 = 82,720,355,408.10/x
3. Step 3: Cross multiply
   142,863,327,100.26x = 197,138,577,104.01 × 82,720,355,408.10
4. Step 4: Simplify right side
   142,863,327,100.26x = 16,307,373,162,690,833,809,408
5. Step 5: Solve for x
   x = 16,307,373,162,690,833,809,408/142,863,327,100.26
6. Step 6: Final answer
   x = 114,146,670,763.50