Finding the Fourth Proportional to 1,396,105.58, 2,094,609.82 and 685,635.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,105.58 : 2,094,609.82 = 685,635.42 : x
2. Step 2: Convert to fraction form
   1,396,105.58/2,094,609.82 = 685,635.42/x
3. Step 3: Cross multiply
   1,396,105.58x = 2,094,609.82 × 685,635.42
4. Step 4: Simplify right side
   1,396,105.58x = 1,436,138,683,671.82
5. Step 5: Solve for x
   x = 1,436,138,683,671.82/1,396,105.58
6. Step 6: Final answer
   x = 1,028,674.84