Finding the Fourth Proportional to 1,098,831.98, 1,645,294.92 and 697,298.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,831.98 : 1,645,294.92 = 697,298.78 : x
2. Step 2: Convert to fraction form
   1,098,831.98/1,645,294.92 = 697,298.78/x
3. Step 3: Cross multiply
   1,098,831.98x = 1,645,294.92 × 697,298.78
4. Step 4: Simplify right side
   1,098,831.98x = 1,147,262,140,456.20
5. Step 5: Solve for x
   x = 1,147,262,140,456.20/1,098,831.98
6. Step 6: Final answer
   x = 1,044,074.22