Finding the Fourth Proportional to 12,779,605,196.58, 17,636,536,423.53 and 7,140,957,924.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,779,605,196.58 : 17,636,536,423.53 = 7,140,957,924.90 : x
2. Step 2: Convert to fraction form
   12,779,605,196.58/17,636,536,423.53 = 7,140,957,924.90/x
3. Step 3: Cross multiply
   12,779,605,196.58x = 17,636,536,423.53 × 7,140,957,924.90
4. Step 4: Simplify right side
   12,779,605,196.58x = 125,941,764,541,394,042,880
5. Step 5: Solve for x
   x = 125,941,764,541,394,042,880/12,779,605,196.58
6. Step 6: Final answer
   x = 9,854,902,604.90