Finding the Fourth Proportional to 443,753.82, 612,384.18 and 409,849.83

Step by Step Solution

1. Step 1: Write the proportion equation
   443,753.82 : 612,384.18 = 409,849.83 : x
2. Step 2: Convert to fraction form
   443,753.82/612,384.18 = 409,849.83/x
3. Step 3: Cross multiply
   443,753.82x = 612,384.18 × 409,849.83
4. Step 4: Simplify right side
   443,753.82x = 250,985,552,067.69
5. Step 5: Solve for x
   x = 250,985,552,067.69/443,753.82
6. Step 6: Final answer
   x = 565,596.38