Finding the Fourth Proportional to 321,663.34, 443,886.84 and 185,692.69

Step by Step Solution

1. Step 1: Write the proportion equation
   321,663.34 : 443,886.84 = 185,692.69 : x
2. Step 2: Convert to fraction form
   321,663.34/443,886.84 = 185,692.69/x
3. Step 3: Cross multiply
   321,663.34x = 443,886.84 × 185,692.69
4. Step 4: Simplify right side
   321,663.34x = 82,426,541,375.20
5. Step 5: Solve for x
   x = 82,426,541,375.20/321,663.34
6. Step 6: Final answer
   x = 256,250.97