Finding the Fourth Proportional to 2,101,411.38, 3,152,559.92 and 681,356.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101,411.38 : 3,152,559.92 = 681,356.74 : x
2. Step 2: Convert to fraction form
   2,101,411.38/3,152,559.92 = 681,356.74/x
3. Step 3: Cross multiply
   2,101,411.38x = 3,152,559.92 × 681,356.74
4. Step 4: Simplify right side
   2,101,411.38x = 2,148,017,949,745.86
5. Step 5: Solve for x
   x = 2,148,017,949,745.86/2,101,411.38
6. Step 6: Final answer
   x = 1,022,178.70