Finding the Fourth Proportional to 1,401,336.48, 1,933,734.24 and 789,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,336.48 : 1,933,734.24 = 789,456 : x
2. Step 2: Convert to fraction form
   1,401,336.48/1,933,734.24 = 789,456/x
3. Step 3: Cross multiply
   1,401,336.48x = 1,933,734.24 × 789,456
4. Step 4: Simplify right side
   1,401,336.48x = 1,526,598,098,173.44
5. Step 5: Solve for x
   x = 1,526,598,098,173.44/1,401,336.48
6. Step 6: Final answer
   x = 1,089,387.25