Finding the Fourth Proportional to 2,075,003.65, 2,863,725.20 and 1,216,285.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075,003.65 : 2,863,725.20 = 1,216,285.39 : x
2. Step 2: Convert to fraction form
   2,075,003.65/2,863,725.20 = 1,216,285.39/x
3. Step 3: Cross multiply
   2,075,003.65x = 2,863,725.20 × 1,216,285.39
4. Step 4: Simplify right side
   2,075,003.65x = 3,483,107,121,734.83
5. Step 5: Solve for x
   x = 3,483,107,121,734.83/2,075,003.65
6. Step 6: Final answer
   x = 1,678,602.89