Finding the Fourth Proportional to 8,919,012,868.67, 12,308,471,031.05 and 4,850,152,546.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,919,012,868.67 : 12,308,471,031.05 = 4,850,152,546.61 : x
2. Step 2: Convert to fraction form
   8,919,012,868.67/12,308,471,031.05 = 4,850,152,546.61/x
3. Step 3: Cross multiply
   8,919,012,868.67x = 12,308,471,031.05 × 4,850,152,546.61
4. Step 4: Simplify right side
   8,919,012,868.67x = 59,697,962,116,036,771,840
5. Step 5: Solve for x
   x = 59,697,962,116,036,771,840/8,919,012,868.67
6. Step 6: Final answer
   x = 6,693,337,367.61