Finding the Fourth Proportional to 8,553,882,124.35, 12,823,404,269.45 and 3,309,880,971.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,553,882,124.35 : 12,823,404,269.45 = 3,309,880,971.39 : x
2. Step 2: Convert to fraction form
   8,553,882,124.35/12,823,404,269.45 = 3,309,880,971.39/x
3. Step 3: Cross multiply
   8,553,882,124.35x = 12,823,404,269.45 × 3,309,880,971.39
4. Step 4: Simplify right side
   8,553,882,124.35x = 42,443,941,779,877,289,984
5. Step 5: Solve for x
   x = 42,443,941,779,877,289,984/8,553,882,124.35
6. Step 6: Final answer
   x = 4,961,950,745.04