Finding the Fourth Proportional to 2,019,111.71, 3,029,239.89 and 821,893.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,111.71 : 3,029,239.89 = 821,893.23 : x
2. Step 2: Convert to fraction form
   2,019,111.71/3,029,239.89 = 821,893.23/x
3. Step 3: Cross multiply
   2,019,111.71x = 3,029,239.89 × 821,893.23
4. Step 4: Simplify right side
   2,019,111.71x = 2,489,711,757,636.94
5. Step 5: Solve for x
   x = 2,489,711,757,636.94/2,019,111.71
6. Step 6: Final answer
   x = 1,233,072.82