Finding the Fourth Proportional to 1,401,259.30, 1,933,743.76 and 789,419.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,259.30 : 1,933,743.76 = 789,419.39 : x
2. Step 2: Convert to fraction form
   1,401,259.30/1,933,743.76 = 789,419.39/x
3. Step 3: Cross multiply
   1,401,259.30x = 1,933,743.76 × 789,419.39
4. Step 4: Simplify right side
   1,401,259.30x = 1,526,534,815,044.78
5. Step 5: Solve for x
   x = 1,526,534,815,044.78/1,401,259.30
6. Step 6: Final answer
   x = 1,089,402.09