Finding the Fourth Proportional to 470,014.31, 648,620.56 and 268,810.31

Step by Step Solution

1. Step 1: Write the proportion equation
   470,014.31 : 648,620.56 = 268,810.31 : x
2. Step 2: Convert to fraction form
   470,014.31/648,620.56 = 268,810.31/x
3. Step 3: Cross multiply
   470,014.31x = 648,620.56 × 268,810.31
4. Step 4: Simplify right side
   470,014.31x = 174,355,895,763.54
5. Step 5: Solve for x
   x = 174,355,895,763.54/470,014.31
6. Step 6: Final answer
   x = 370,958.69