Finding the Fourth Proportional to 2,378,456.33, 3,282,271.81 and 1,290,727.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378,456.33 : 3,282,271.81 = 1,290,727.87 : x
2. Step 2: Convert to fraction form
   2,378,456.33/3,282,271.81 = 1,290,727.87/x
3. Step 3: Cross multiply
   2,378,456.33x = 3,282,271.81 × 1,290,727.87
4. Step 4: Simplify right side
   2,378,456.33x = 4,236,519,690,649.85
5. Step 5: Solve for x
   x = 4,236,519,690,649.85/2,378,456.33
6. Step 6: Final answer
   x = 1,781,205.59