Finding the Fourth Proportional to 321,664.34, 443,888.22 and 185,693.69

Step by Step Solution

1. Step 1: Write the proportion equation
   321,664.34 : 443,888.22 = 185,693.69 : x
2. Step 2: Convert to fraction form
   321,664.34/443,888.22 = 185,693.69/x
3. Step 3: Cross multiply
   321,664.34x = 443,888.22 × 185,693.69
4. Step 4: Simplify right side
   321,664.34x = 82,427,241,519.33
5. Step 5: Solve for x
   x = 82,427,241,519.33/321,664.34
6. Step 6: Final answer
   x = 256,252.35