Finding the Fourth Proportional to 1,620,546.09, 2,236,398.72 and 895,440.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,546.09 : 2,236,398.72 = 895,440.78 : x
2. Step 2: Convert to fraction form
   1,620,546.09/2,236,398.72 = 895,440.78/x
3. Step 3: Cross multiply
   1,620,546.09x = 2,236,398.72 × 895,440.78
4. Step 4: Simplify right side
   1,620,546.09x = 2,002,562,614,227.80
5. Step 5: Solve for x
   x = 2,002,562,614,227.80/1,620,546.09
6. Step 6: Final answer
   x = 1,235,733.21