Finding the Fourth Proportional to 321,093.69, 443,109.30 and 177,863.01

Step by Step Solution

1. Step 1: Write the proportion equation
   321,093.69 : 443,109.30 = 177,863.01 : x
2. Step 2: Convert to fraction form
   321,093.69/443,109.30 = 177,863.01/x
3. Step 3: Cross multiply
   321,093.69x = 443,109.30 × 177,863.01
4. Step 4: Simplify right side
   321,093.69x = 78,812,752,967.68
5. Step 5: Solve for x
   x = 78,812,752,967.68/321,093.69
6. Step 6: Final answer
   x = 245,450.96