Finding the Fourth Proportional to 1,356,792.94, 2,034,757.27 and 445,763.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356,792.94 : 2,034,757.27 = 445,763.89 : x
2. Step 2: Convert to fraction form
   1,356,792.94/2,034,757.27 = 445,763.89/x
3. Step 3: Cross multiply
   1,356,792.94x = 2,034,757.27 × 445,763.89
4. Step 4: Simplify right side
   1,356,792.94x = 907,021,315,880.98
5. Step 5: Solve for x
   x = 907,021,315,880.98/1,356,792.94
6. Step 6: Final answer
   x = 668,503.86