Finding the Fourth Proportional to 485,952.37, 670,608.81 and 268,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   485,952.37 : 670,608.81 = 268,162.72 : x
2. Step 2: Convert to fraction form
   485,952.37/670,608.81 = 268,162.72/x
3. Step 3: Cross multiply
   485,952.37x = 670,608.81 × 268,162.72
4. Step 4: Simplify right side
   485,952.37x = 179,832,280,869.04
5. Step 5: Solve for x
   x = 179,832,280,869.04/485,952.37
6. Step 6: Final answer
   x = 370,061.54