Finding the Fourth Proportional to 21,807,940.50, 30,095,163.33 and 12,018,737.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,807,940.50 : 30,095,163.33 = 12,018,737.16 : x
2. Step 2: Convert to fraction form
   21,807,940.50/30,095,163.33 = 12,018,737.16/x
3. Step 3: Cross multiply
   21,807,940.50x = 30,095,163.33 × 12,018,737.16
4. Step 4: Simplify right side
   21,807,940.50x = 361,705,857,850,540.31
5. Step 5: Solve for x
   x = 361,705,857,850,540.31/21,807,940.50
6. Step 6: Final answer
   x = 16,585,970.50