Finding the Fourth Proportional to 443,057.42, 611,411.42 and 252,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   443,057.42 : 611,411.42 = 252,066.72 : x
2. Step 2: Convert to fraction form
   443,057.42/611,411.42 = 252,066.72/x
3. Step 3: Cross multiply
   443,057.42x = 611,411.42 × 252,066.72
4. Step 4: Simplify right side
   443,057.42x = 154,116,471,209.94
5. Step 5: Solve for x
   x = 154,116,471,209.94/443,057.42
6. Step 6: Final answer
   x = 347,847.62