Finding the Fourth Proportional to 443,328.75, 611,797.56 and 252,354.42

Step by Step Solution

1. Step 1: Write the proportion equation
   443,328.75 : 611,797.56 = 252,354.42 : x
2. Step 2: Convert to fraction form
   443,328.75/611,797.56 = 252,354.42/x
3. Step 3: Cross multiply
   443,328.75x = 611,797.56 × 252,354.42
4. Step 4: Simplify right side
   443,328.75x = 154,389,818,411.22
5. Step 5: Solve for x
   x = 154,389,818,411.22/443,328.75
6. Step 6: Final answer
   x = 348,251.31