Finding the Fourth Proportional to 321,074.56, 443,063.36 and 177,826.08

Step by Step Solution

1. Step 1: Write the proportion equation
   321,074.56 : 443,063.36 = 177,826.08 : x
2. Step 2: Convert to fraction form
   321,074.56/443,063.36 = 177,826.08/x
3. Step 3: Cross multiply
   321,074.56x = 443,063.36 × 177,826.08
4. Step 4: Simplify right side
   321,074.56x = 78,788,220,500.43
5. Step 5: Solve for x
   x = 78,788,220,500.43/321,074.56
6. Step 6: Final answer
   x = 245,389.17