Finding the Fourth Proportional to 320,300.79, 442,032.33 and 177,074.16

Step by Step Solution

1. Step 1: Write the proportion equation
   320,300.79 : 442,032.33 = 177,074.16 : x
2. Step 2: Convert to fraction form
   320,300.79/442,032.33 = 177,074.16/x
3. Step 3: Cross multiply
   320,300.79x = 442,032.33 × 177,074.16
4. Step 4: Simplify right side
   320,300.79x = 78,272,503,527.59
5. Step 5: Solve for x
   x = 78,272,503,527.59/320,300.79
6. Step 6: Final answer
   x = 244,371.87