Finding the Fourth Proportional to 2,659,974.03, 3,990,521.49 and 862,717.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,974.03 : 3,990,521.49 = 862,717.47 : x
2. Step 2: Convert to fraction form
   2,659,974.03/3,990,521.49 = 862,717.47/x
3. Step 3: Cross multiply
   2,659,974.03x = 3,990,521.49 × 862,717.47
4. Step 4: Simplify right side
   2,659,974.03x = 3,442,692,603,833.43
5. Step 5: Solve for x
   x = 3,442,692,603,833.43/2,659,974.03
6. Step 6: Final answer
   x = 1,294,257.98