Finding the Fourth Proportional to 2,665,826.12, 3,998,328.36 and 868,705.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,826.12 : 3,998,328.36 = 868,705.04 : x
2. Step 2: Convert to fraction form
   2,665,826.12/3,998,328.36 = 868,705.04/x
3. Step 3: Cross multiply
   2,665,826.12x = 3,998,328.36 × 868,705.04
4. Step 4: Simplify right side
   2,665,826.12x = 3,473,367,997,906.93
5. Step 5: Solve for x
   x = 3,473,367,997,906.93/2,665,826.12
6. Step 6: Final answer
   x = 1,302,923.69