Finding the Fourth Proportional to 2,665,372.49, 3,998,055.49 and 868,253.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,372.49 : 3,998,055.49 = 868,253.03 : x
2. Step 2: Convert to fraction form
   2,665,372.49/3,998,055.49 = 868,253.03/x
3. Step 3: Cross multiply
   2,665,372.49x = 3,998,055.49 × 868,253.03
4. Step 4: Simplify right side
   2,665,372.49x = 3,471,323,768,969.09
5. Step 5: Solve for x
   x = 3,471,323,768,969.09/2,665,372.49
6. Step 6: Final answer
   x = 1,302,378.48