Finding the Fourth Proportional to 8,311,227.30, 12,474,504.50 and 4,215,423.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,311,227.30 : 12,474,504.50 = 4,215,423.15 : x
2. Step 2: Convert to fraction form
   8,311,227.30/12,474,504.50 = 4,215,423.15/x
3. Step 3: Cross multiply
   8,311,227.30x = 12,474,504.50 × 4,215,423.15
4. Step 4: Simplify right side
   8,311,227.30x = 52,585,315,033,002.06
5. Step 5: Solve for x
   x = 52,585,315,033,002.06/8,311,227.30
6. Step 6: Final answer
   x = 6,327,021.65