Finding the Fourth Proportional to 443,382.69, 665,339 and 162,928.29

Step by Step Solution

1. Step 1: Write the proportion equation
   443,382.69 : 665,339 = 162,928.29 : x
2. Step 2: Convert to fraction form
   443,382.69/665,339 = 162,928.29/x
3. Step 3: Cross multiply
   443,382.69x = 665,339 × 162,928.29
4. Step 4: Simplify right side
   443,382.69x = 108,402,545,540.31
5. Step 5: Solve for x
   x = 108,402,545,540.31/443,382.69
6. Step 6: Final answer
   x = 244,489.80