Finding the Fourth Proportional to 2,131,662.39, 3,191,763.78 and 1,623,804

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,662.39 : 3,191,763.78 = 1,623,804 : x
2. Step 2: Convert to fraction form
   2,131,662.39/3,191,763.78 = 1,623,804/x
3. Step 3: Cross multiply
   2,131,662.39x = 3,191,763.78 × 1,623,804
4. Step 4: Simplify right side
   2,131,662.39x = 5,182,798,793,019.12
5. Step 5: Solve for x
   x = 5,182,798,793,019.12/2,131,662.39
6. Step 6: Final answer
   x = 2,431,341.29