Finding the Fourth Proportional to 443,141.76, 664,573.22 and 143,552.82

Step by Step Solution

1. Step 1: Write the proportion equation
   443,141.76 : 664,573.22 = 143,552.82 : x
2. Step 2: Convert to fraction form
   443,141.76/664,573.22 = 143,552.82/x
3. Step 3: Cross multiply
   443,141.76x = 664,573.22 × 143,552.82
4. Step 4: Simplify right side
   443,141.76x = 95,401,359,109.72
5. Step 5: Solve for x
   x = 95,401,359,109.72/443,141.76
6. Step 6: Final answer
   x = 215,284.06