Finding the Fourth Proportional to 2,105,735.22, 3,158,824.29 and 685,902.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,735.22 : 3,158,824.29 = 685,902.03 : x
2. Step 2: Convert to fraction form
   2,105,735.22/3,158,824.29 = 685,902.03/x
3. Step 3: Cross multiply
   2,105,735.22x = 3,158,824.29 × 685,902.03
4. Step 4: Simplify right side
   2,105,735.22x = 2,166,643,992,924.31
5. Step 5: Solve for x
   x = 2,166,643,992,924.31/2,105,735.22
6. Step 6: Final answer
   x = 1,028,925.18