Finding the Fourth Proportional to 12,906,057.09, 19,358,954.42 and 3,321,398.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906,057.09 : 19,358,954.42 = 3,321,398.37 : x
2. Step 2: Convert to fraction form
   12,906,057.09/19,358,954.42 = 3,321,398.37/x
3. Step 3: Cross multiply
   12,906,057.09x = 19,358,954.42 × 3,321,398.37
4. Step 4: Simplify right side
   12,906,057.09x = 64,298,799,711,481.38
5. Step 5: Solve for x
   x = 64,298,799,711,481.38/12,906,057.09
6. Step 6: Final answer
   x = 4,982,063.79