Finding the Fourth Proportional to 12,216,395.50, 18,324,648.83 and 4,129,414.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,216,395.50 : 18,324,648.83 = 4,129,414.43 : x
2. Step 2: Convert to fraction form
   12,216,395.50/18,324,648.83 = 4,129,414.43/x
3. Step 3: Cross multiply
   12,216,395.50x = 18,324,648.83 × 4,129,414.43
4. Step 4: Simplify right side
   12,216,395.50x = 75,670,069,221,984.91
5. Step 5: Solve for x
   x = 75,670,069,221,984.91/12,216,395.50
6. Step 6: Final answer
   x = 6,194,140.43