Finding the Fourth Proportional to 2,075,005.65, 2,863,727.97 and 1,216,287.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075,005.65 : 2,863,727.97 = 1,216,287.39 : x
2. Step 2: Convert to fraction form
   2,075,005.65/2,863,727.97 = 1,216,287.39/x
3. Step 3: Cross multiply
   2,075,005.65x = 2,863,727.97 × 1,216,287.39
4. Step 4: Simplify right side
   2,075,005.65x = 3,483,116,218,301.30
5. Step 5: Solve for x
   x = 3,483,116,218,301.30/2,075,005.65
6. Step 6: Final answer
   x = 1,678,605.66