Finding the Fourth Proportional to 2,586,123.20, 3,568,594.56 and 1,440,310.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,123.20 : 3,568,594.56 = 1,440,310.16 : x
2. Step 2: Convert to fraction form
   2,586,123.20/3,568,594.56 = 1,440,310.16/x
3. Step 3: Cross multiply
   2,586,123.20x = 3,568,594.56 × 1,440,310.16
4. Step 4: Simplify right side
   2,586,123.20x = 5,139,882,983,845.76
5. Step 5: Solve for x
   x = 5,139,882,983,845.76/2,586,123.20
6. Step 6: Final answer
   x = 1,987,485.74