Finding the Fourth Proportional to 789,423.73, 1,089,405.52 and 426,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   789,423.73 : 1,089,405.52 = 426,847.50 : x
2. Step 2: Convert to fraction form
   789,423.73/1,089,405.52 = 426,847.50/x
3. Step 3: Cross multiply
   789,423.73x = 1,089,405.52 × 426,847.50
4. Step 4: Simplify right side
   789,423.73x = 465,010,019,146.49
5. Step 5: Solve for x
   x = 465,010,019,146.49/789,423.73
6. Step 6: Final answer
   x = 589,049.96