Finding the Fourth Proportional to 1,404,919, 2,107,200.74 and 445,383.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,919 : 2,107,200.74 = 445,383.92 : x
2. Step 2: Convert to fraction form
   1,404,919/2,107,200.74 = 445,383.92/x
3. Step 3: Cross multiply
   1,404,919x = 2,107,200.74 × 445,383.92
4. Step 4: Simplify right side
   1,404,919x = 938,513,325,808.10
5. Step 5: Solve for x
   x = 938,513,325,808.10/1,404,919
6. Step 6: Final answer
   x = 668,019.53