Finding the Fourth Proportional to 321,119.83, 443,139.82 and 177,876.87

Step by Step Solution

1. Step 1: Write the proportion equation
   321,119.83 : 443,139.82 = 177,876.87 : x
2. Step 2: Convert to fraction form
   321,119.83/443,139.82 = 177,876.87/x
3. Step 3: Cross multiply
   321,119.83x = 443,139.82 × 177,876.87
4. Step 4: Simplify right side
   321,119.83x = 78,824,324,153.96
5. Step 5: Solve for x
   x = 78,824,324,153.96/321,119.83
6. Step 6: Final answer
   x = 245,467.01