Finding the Fourth Proportional to 16,172,576,811.89, 22,319,310,894.62 and 8,938,468,665.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,172,576,811.89 : 22,319,310,894.62 = 8,938,468,665.98 : x
2. Step 2: Convert to fraction form
   16,172,576,811.89/22,319,310,894.62 = 8,938,468,665.98/x
3. Step 3: Cross multiply
   16,172,576,811.89x = 22,319,310,894.62 × 8,938,468,665.98
4. Step 4: Simplify right side
   16,172,576,811.89x = 199,500,461,077,826,895,872
5. Step 5: Solve for x
   x = 199,500,461,077,826,895,872/16,172,576,811.89
6. Step 6: Final answer
   x = 12,335,725,060.90