Finding the Fourth Proportional to 789,822.73, 1,089,609.18 and 462,970.05

Step by Step Solution

1. Step 1: Write the proportion equation
   789,822.73 : 1,089,609.18 = 462,970.05 : x
2. Step 2: Convert to fraction form
   789,822.73/1,089,609.18 = 462,970.05/x
3. Step 3: Cross multiply
   789,822.73x = 1,089,609.18 × 462,970.05
4. Step 4: Simplify right side
   789,822.73x = 504,456,410,722.89
5. Step 5: Solve for x
   x = 504,456,410,722.89/789,822.73
6. Step 6: Final answer
   x = 638,695.74