Finding the Fourth Proportional to 2,665,377.42, 3,998,062.89 and 868,257.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,377.42 : 3,998,062.89 = 868,257.96 : x
2. Step 2: Convert to fraction form
   2,665,377.42/3,998,062.89 = 868,257.96/x
3. Step 3: Cross multiply
   2,665,377.42x = 3,998,062.89 × 868,257.96
4. Step 4: Simplify right side
   2,665,377.42x = 3,471,349,928,823.10
5. Step 5: Solve for x
   x = 3,471,349,928,823.10/2,665,377.42
6. Step 6: Final answer
   x = 1,302,385.88