Finding the Fourth Proportional to 2,107,768.18, 3,162,155.28 and 687,826.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,768.18 : 3,162,155.28 = 687,826.84 : x
2. Step 2: Convert to fraction form
   2,107,768.18/3,162,155.28 = 687,826.84/x
3. Step 3: Cross multiply
   2,107,768.18x = 3,162,155.28 × 687,826.84
4. Step 4: Simplify right side
   2,107,768.18x = 2,175,015,273,831.72
5. Step 5: Solve for x
   x = 2,175,015,273,831.72/2,107,768.18
6. Step 6: Final answer
   x = 1,031,904.41