Finding the Fourth Proportional to 1,401,260.43, 1,933,745.31 and 789,420.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,260.43 : 1,933,745.31 = 789,420.52 : x
2. Step 2: Convert to fraction form
   1,401,260.43/1,933,745.31 = 789,420.52/x
3. Step 3: Cross multiply
   1,401,260.43x = 1,933,745.31 × 789,420.52
4. Step 4: Simplify right side
   1,401,260.43x = 1,526,538,223,333.40
5. Step 5: Solve for x
   x = 1,526,538,223,333.40/1,401,260.43
6. Step 6: Final answer
   x = 1,089,403.65