Finding the Fourth Proportional to 1,229,168.88, 1,843,943.27 and 419,363.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229,168.88 : 1,843,943.27 = 419,363.69 : x
2. Step 2: Convert to fraction form
   1,229,168.88/1,843,943.27 = 419,363.69/x
3. Step 3: Cross multiply
   1,229,168.88x = 1,843,943.27 × 419,363.69
4. Step 4: Simplify right side
   1,229,168.88x = 773,282,842,541.33
5. Step 5: Solve for x
   x = 773,282,842,541.33/1,229,168.88
6. Step 6: Final answer
   x = 629,110.33