Finding the Fourth Proportional to 443,127.79, 611,481.82 and 261,805.33

Step by Step Solution

1. Step 1: Write the proportion equation
   443,127.79 : 611,481.82 = 261,805.33 : x
2. Step 2: Convert to fraction form
   443,127.79/611,481.82 = 261,805.33/x
3. Step 3: Cross multiply
   443,127.79x = 611,481.82 × 261,805.33
4. Step 4: Simplify right side
   443,127.79x = 160,089,198,063.30
5. Step 5: Solve for x
   x = 160,089,198,063.30/443,127.79
6. Step 6: Final answer
   x = 361,270.95