Finding the Fourth Proportional to 1,040,749.56, 1,560,005.33 and 680,783.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,749.56 : 1,560,005.33 = 680,783.94 : x
2. Step 2: Convert to fraction form
   1,040,749.56/1,560,005.33 = 680,783.94/x
3. Step 3: Cross multiply
   1,040,749.56x = 1,560,005.33 × 680,783.94
4. Step 4: Simplify right side
   1,040,749.56x = 1,062,026,571,574.48
5. Step 5: Solve for x
   x = 1,062,026,571,574.48/1,040,749.56
6. Step 6: Final answer
   x = 1,020,443.93