Finding the Fourth Proportional to 21,562,622.17, 29,756,019.54 and 12,269,986.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,562,622.17 : 29,756,019.54 = 12,269,986.27 : x
2. Step 2: Convert to fraction form
   21,562,622.17/29,756,019.54 = 12,269,986.27/x
3. Step 3: Cross multiply
   21,562,622.17x = 29,756,019.54 × 12,269,986.27
4. Step 4: Simplify right side
   21,562,622.17x = 365,105,951,205,651.69
5. Step 5: Solve for x
   x = 365,105,951,205,651.69/21,562,622.17
6. Step 6: Final answer
   x = 16,932,353.97