Finding the Fourth Proportional to 2,665,373.28, 3,998,056.68 and 868,253.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,373.28 : 3,998,056.68 = 868,253.82 : x
2. Step 2: Convert to fraction form
   2,665,373.28/3,998,056.68 = 868,253.82/x
3. Step 3: Cross multiply
   2,665,373.28x = 3,998,056.68 × 868,253.82
4. Step 4: Simplify right side
   2,665,373.28x = 3,471,327,980,645.25
5. Step 5: Solve for x
   x = 3,471,327,980,645.25/2,665,373.28
6. Step 6: Final answer
   x = 1,302,379.67