Finding the Fourth Proportional to 1,434,142.26, 1,979,078.04 and 789,567.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,142.26 : 1,979,078.04 = 789,567.30 : x
2. Step 2: Convert to fraction form
   1,434,142.26/1,979,078.04 = 789,567.30/x
3. Step 3: Cross multiply
   1,434,142.26x = 1,979,078.04 × 789,567.30
4. Step 4: Simplify right side
   1,434,142.26x = 1,562,615,304,532.09
5. Step 5: Solve for x
   x = 1,562,615,304,532.09/1,434,142.26
6. Step 6: Final answer
   x = 1,089,581.80