Finding the Fourth Proportional to 714,057.86, 1,063,665.28 and 675,382.31

Step by Step Solution

1. Step 1: Write the proportion equation
   714,057.86 : 1,063,665.28 = 675,382.31 : x
2. Step 2: Convert to fraction form
   714,057.86/1,063,665.28 = 675,382.31/x
3. Step 3: Cross multiply
   714,057.86x = 1,063,665.28 × 675,382.31
4. Step 4: Simplify right side
   714,057.86x = 718,380,707,594.45
5. Step 5: Solve for x
   x = 718,380,707,594.45/714,057.86
6. Step 6: Final answer
   x = 1,006,053.91