Finding the Fourth Proportional to 22,428,047.20, 30,950,717.42 and 12,114,770.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,428,047.20 : 30,950,717.42 = 12,114,770.30 : x
2. Step 2: Convert to fraction form
   22,428,047.20/30,950,717.42 = 12,114,770.30/x
3. Step 3: Cross multiply
   22,428,047.20x = 30,950,717.42 × 12,114,770.30
4. Step 4: Simplify right side
   22,428,047.20x = 374,960,832,163,508.69
5. Step 5: Solve for x
   x = 374,960,832,163,508.69/22,428,047.20
6. Step 6: Final answer
   x = 16,718,389.65