Finding the Fourth Proportional to 320,350.96, 442,061.04 and 177,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   320,350.96 : 442,061.04 = 177,112.72 : x
2. Step 2: Convert to fraction form
   320,350.96/442,061.04 = 177,112.72/x
3. Step 3: Cross multiply
   320,350.96x = 442,061.04 × 177,112.72
4. Step 4: Simplify right side
   320,350.96x = 78,294,633,200.43
5. Step 5: Solve for x
   x = 78,294,633,200.43/320,350.96
6. Step 6: Final answer
   x = 244,402.68