Finding the Fourth Proportional to 2,317,231.22, 3,197,178.69 and 1,398,734.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317,231.22 : 3,197,178.69 = 1,398,734.42 : x
2. Step 2: Convert to fraction form
   2,317,231.22/3,197,178.69 = 1,398,734.42/x
3. Step 3: Cross multiply
   2,317,231.22x = 3,197,178.69 × 1,398,734.42
4. Step 4: Simplify right side
   2,317,231.22x = 4,472,003,880,593.51
5. Step 5: Solve for x
   x = 4,472,003,880,593.51/2,317,231.22
6. Step 6: Final answer
   x = 1,929,891.09