Finding the Fourth Proportional to 470,019.26, 648,558.15 and 268,776.38

Step by Step Solution

1. Step 1: Write the proportion equation
   470,019.26 : 648,558.15 = 268,776.38 : x
2. Step 2: Convert to fraction form
   470,019.26/648,558.15 = 268,776.38/x
3. Step 3: Cross multiply
   470,019.26x = 648,558.15 × 268,776.38
4. Step 4: Simplify right side
   470,019.26x = 174,317,111,776.50
5. Step 5: Solve for x
   x = 174,317,111,776.50/470,019.26
6. Step 6: Final answer
   x = 370,872.27