Finding the Fourth Proportional to 8,428,662, 12,637,873.26 and 3,304,953.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,428,662 : 12,637,873.26 = 3,304,953.31 : x
2. Step 2: Convert to fraction form
   8,428,662/12,637,873.26 = 3,304,953.31/x
3. Step 3: Cross multiply
   8,428,662x = 12,637,873.26 × 3,304,953.31
4. Step 4: Simplify right side
   8,428,662x = 41,767,581,061,997.49
5. Step 5: Solve for x
   x = 41,767,581,061,997.49/8,428,662
6. Step 6: Final answer
   x = 4,955,422.47