Finding the Fourth Proportional to 2,339,400.77, 3,509,435.86 and 720,306.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339,400.77 : 3,509,435.86 = 720,306.57 : x
2. Step 2: Convert to fraction form
   2,339,400.77/3,509,435.86 = 720,306.57/x
3. Step 3: Cross multiply
   2,339,400.77x = 3,509,435.86 × 720,306.57
4. Step 4: Simplify right side
   2,339,400.77x = 2,527,869,705,150.83
5. Step 5: Solve for x
   x = 2,527,869,705,150.83/2,339,400.77
6. Step 6: Final answer
   x = 1,080,562.91