Finding the Fourth Proportional to 2,665,384.45, 3,998,073.60 and 868,265.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,384.45 : 3,998,073.60 = 868,265.06 : x
2. Step 2: Convert to fraction form
   2,665,384.45/3,998,073.60 = 868,265.06/x
3. Step 3: Cross multiply
   2,665,384.45x = 3,998,073.60 × 868,265.06
4. Step 4: Simplify right side
   2,665,384.45x = 3,471,387,594,198.05
5. Step 5: Solve for x
   x = 3,471,387,594,198.05/2,665,384.45
6. Step 6: Final answer
   x = 1,302,396.58