Finding the Fourth Proportional to 789,829.28, 1,089,969.72 and 483,906.25

Step by Step Solution

1. Step 1: Write the proportion equation
   789,829.28 : 1,089,969.72 = 483,906.25 : x
2. Step 2: Convert to fraction form
   789,829.28/1,089,969.72 = 483,906.25/x
3. Step 3: Cross multiply
   789,829.28x = 1,089,969.72 × 483,906.25
4. Step 4: Simplify right side
   789,829.28x = 527,443,159,366.56
5. Step 5: Solve for x
   x = 527,443,159,366.56/789,829.28
6. Step 6: Final answer
   x = 667,793.88