Finding the Fourth Proportional to 309,728.56, 464,723.52 and 169,323.16

Step by Step Solution

1. Step 1: Write the proportion equation
   309,728.56 : 464,723.52 = 169,323.16 : x
2. Step 2: Convert to fraction form
   309,728.56/464,723.52 = 169,323.16/x
3. Step 3: Cross multiply
   309,728.56x = 464,723.52 × 169,323.16
4. Step 4: Simplify right side
   309,728.56x = 78,688,454,932.72
5. Step 5: Solve for x
   x = 78,688,454,932.72/309,728.56
6. Step 6: Final answer
   x = 254,056.18