Finding the Fourth Proportional to 1,039,187.98, 1,557,616.02 and 680,049.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,187.98 : 1,557,616.02 = 680,049.82 : x
2. Step 2: Convert to fraction form
   1,039,187.98/1,557,616.02 = 680,049.82/x
3. Step 3: Cross multiply
   1,039,187.98x = 1,557,616.02 × 680,049.82
4. Step 4: Simplify right side
   1,039,187.98x = 1,059,256,494,030.12
5. Step 5: Solve for x
   x = 1,059,256,494,030.12/1,039,187.98
6. Step 6: Final answer
   x = 1,019,311.73