Finding the Fourth Proportional to 2,665,397.95, 3,998,093.85 and 868,278.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,397.95 : 3,998,093.85 = 868,278.56 : x
2. Step 2: Convert to fraction form
   2,665,397.95/3,998,093.85 = 868,278.56/x
3. Step 3: Cross multiply
   2,665,397.95x = 3,998,093.85 × 868,278.56
4. Step 4: Simplify right side
   2,665,397.95x = 3,471,459,150,832.39
5. Step 5: Solve for x
   x = 3,471,459,150,832.39/2,665,397.95
6. Step 6: Final answer
   x = 1,302,416.83