Finding the Fourth Proportional to 12,906,058.09, 19,358,955.91 and 3,321,399.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906,058.09 : 19,358,955.91 = 3,321,399.37 : x
2. Step 2: Convert to fraction form
   12,906,058.09/19,358,955.91 = 3,321,399.37/x
3. Step 3: Cross multiply
   12,906,058.09x = 19,358,955.91 × 3,321,399.37
4. Step 4: Simplify right side
   12,906,058.09x = 64,298,823,963,331.78
5. Step 5: Solve for x
   x = 64,298,823,963,331.78/12,906,058.09
6. Step 6: Final answer
   x = 4,982,065.28