Finding the Fourth Proportional to 2,546,568.36, 3,819,041.72 and 840,394.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546,568.36 : 3,819,041.72 = 840,394.08 : x
2. Step 2: Convert to fraction form
   2,546,568.36/3,819,041.72 = 840,394.08/x
3. Step 3: Cross multiply
   2,546,568.36x = 3,819,041.72 × 840,394.08
4. Step 4: Simplify right side
   2,546,568.36x = 3,209,500,033,665.81
5. Step 5: Solve for x
   x = 3,209,500,033,665.81/2,546,568.36
6. Step 6: Final answer
   x = 1,260,323.54