Finding the Fourth Proportional to 2,665,395.45, 3,998,090.10 and 868,276.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,395.45 : 3,998,090.10 = 868,276.06 : x
2. Step 2: Convert to fraction form
   2,665,395.45/3,998,090.10 = 868,276.06/x
3. Step 3: Cross multiply
   2,665,395.45x = 3,998,090.10 × 868,276.06
4. Step 4: Simplify right side
   2,665,395.45x = 3,471,445,919,553.01
5. Step 5: Solve for x
   x = 3,471,445,919,553.01/2,665,395.45
6. Step 6: Final answer
   x = 1,302,413.09