Finding the Fourth Proportional to 443,328.80, 611,797.59 and 252,354.42

Step by Step Solution

1. Step 1: Write the proportion equation
   443,328.80 : 611,797.59 = 252,354.42 : x
2. Step 2: Convert to fraction form
   443,328.80/611,797.59 = 252,354.42/x
3. Step 3: Cross multiply
   443,328.80x = 611,797.59 × 252,354.42
4. Step 4: Simplify right side
   443,328.80x = 154,389,825,981.85
5. Step 5: Solve for x
   x = 154,389,825,981.85/443,328.80
6. Step 6: Final answer
   x = 348,251.29