Finding the Fourth Proportional to 2,585,733.12, 3,568,302.72 and 1,439,827.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,733.12 : 3,568,302.72 = 1,439,827.20 : x
2. Step 2: Convert to fraction form
   2,585,733.12/3,568,302.72 = 1,439,827.20/x
3. Step 3: Cross multiply
   2,585,733.12x = 3,568,302.72 × 1,439,827.20
4. Step 4: Simplify right side
   2,585,733.12x = 5,137,739,314,089.98
5. Step 5: Solve for x
   x = 5,137,739,314,089.98/2,585,733.12
6. Step 6: Final answer
   x = 1,986,956.53