Finding the Fourth Proportional to 22,078,868.18, 30,468,839.55 and 12,289,102.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,078,868.18 : 30,468,839.55 = 12,289,102.27 : x
2. Step 2: Convert to fraction form
   22,078,868.18/30,468,839.55 = 12,289,102.27/x
3. Step 3: Cross multiply
   22,078,868.18x = 30,468,839.55 × 12,289,102.27
4. Step 4: Simplify right side
   22,078,868.18x = 374,434,685,247,448
5. Step 5: Solve for x
   x = 374,434,685,247,448/22,078,868.18
6. Step 6: Final answer
   x = 16,958,961.95