Finding the Fourth Proportional to 8,216,819.69, 12,317,219.60 and 3,425,879.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,819.69 : 12,317,219.60 = 3,425,879.07 : x
2. Step 2: Convert to fraction form
   8,216,819.69/12,317,219.60 = 3,425,879.07/x
3. Step 3: Cross multiply
   8,216,819.69x = 12,317,219.60 × 3,425,879.07
4. Step 4: Simplify right side
   8,216,819.69x = 42,197,304,811,104.38
5. Step 5: Solve for x
   x = 42,197,304,811,104.38/8,216,819.69
6. Step 6: Final answer
   x = 5,135,478.98