Finding the Fourth Proportional to 443,357.55, 665,046.45 and 159,066.99

Step by Step Solution

1. Step 1: Write the proportion equation
   443,357.55 : 665,046.45 = 159,066.99 : x
2. Step 2: Convert to fraction form
   443,357.55/665,046.45 = 159,066.99/x
3. Step 3: Cross multiply
   443,357.55x = 665,046.45 × 159,066.99
4. Step 4: Simplify right side
   443,357.55x = 105,786,937,011.69
5. Step 5: Solve for x
   x = 105,786,937,011.69/443,357.55
6. Step 6: Final answer
   x = 238,604.12