Finding the Fourth Proportional to 2,804,662.89, 4,203,672.81 and 1,287,066.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804,662.89 : 4,203,672.81 = 1,287,066.69 : x
2. Step 2: Convert to fraction form
   2,804,662.89/4,203,672.81 = 1,287,066.69/x
3. Step 3: Cross multiply
   2,804,662.89x = 4,203,672.81 × 1,287,066.69
4. Step 4: Simplify right side
   2,804,662.89x = 5,410,407,249,409.70
5. Step 5: Solve for x
   x = 5,410,407,249,409.70/2,804,662.89
6. Step 6: Final answer
   x = 1,929,075.78