Finding the Fourth Proportional to 2,589,053.84, 3,882,440.28 and 1,390,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,053.84 : 3,882,440.28 = 1,390,616.72 : x
2. Step 2: Convert to fraction form
   2,589,053.84/3,882,440.28 = 1,390,616.72/x
3. Step 3: Cross multiply
   2,589,053.84x = 3,882,440.28 × 1,390,616.72
4. Step 4: Simplify right side
   2,589,053.84x = 5,398,986,367,769.48
5. Step 5: Solve for x
   x = 5,398,986,367,769.48/2,589,053.84
6. Step 6: Final answer
   x = 2,085,312.51