Finding the Fourth Proportional to 321,672.59, 443,899.60 and 185,701.94

Step by Step Solution

1. Step 1: Write the proportion equation
   321,672.59 : 443,899.60 = 185,701.94 : x
2. Step 2: Convert to fraction form
   321,672.59/443,899.60 = 185,701.94/x
3. Step 3: Cross multiply
   321,672.59x = 443,899.60 × 185,701.94
4. Step 4: Simplify right side
   321,672.59x = 82,433,016,885.22
5. Step 5: Solve for x
   x = 82,433,016,885.22/321,672.59
6. Step 6: Final answer
   x = 256,263.73