Finding the Fourth Proportional to 2,665,391.58, 3,998,084.22 and 868,272.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,391.58 : 3,998,084.22 = 868,272.12 : x
2. Step 2: Convert to fraction form
   2,665,391.58/3,998,084.22 = 868,272.12/x
3. Step 3: Cross multiply
   2,665,391.58x = 3,998,084.22 × 868,272.12
4. Step 4: Simplify right side
   2,665,391.58x = 3,471,425,061,637.95
5. Step 5: Solve for x
   x = 3,471,425,061,637.95/2,665,391.58
6. Step 6: Final answer
   x = 1,302,407.15