Finding the Fourth Proportional to 2,689,856.15, 4,035,026.52 and 868,264.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,856.15 : 4,035,026.52 = 868,264.28 : x
2. Step 2: Convert to fraction form
   2,689,856.15/4,035,026.52 = 868,264.28/x
3. Step 3: Cross multiply
   2,689,856.15x = 4,035,026.52 × 868,264.28
4. Step 4: Simplify right side
   2,689,856.15x = 3,503,469,375,993.57
5. Step 5: Solve for x
   x = 3,503,469,375,993.57/2,689,856.15
6. Step 6: Final answer
   x = 1,302,474.63