Finding the Fourth Proportional to 16,231,915.69, 22,400,043.57 and 8,889,766.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,231,915.69 : 22,400,043.57 = 8,889,766.20 : x
2. Step 2: Convert to fraction form
   16,231,915.69/22,400,043.57 = 8,889,766.20/x
3. Step 3: Cross multiply
   16,231,915.69x = 22,400,043.57 × 8,889,766.20
4. Step 4: Simplify right side
   16,231,915.69x = 199,131,150,207,113.31
5. Step 5: Solve for x
   x = 199,131,150,207,113.31/16,231,915.69
6. Step 6: Final answer
   x = 12,267,877.31