Finding the Fourth Proportional to 321,662.84, 443,886.15 and 185,692.19

Step by Step Solution

1. Step 1: Write the proportion equation
   321,662.84 : 443,886.15 = 185,692.19 : x
2. Step 2: Convert to fraction form
   321,662.84/443,886.15 = 185,692.19/x
3. Step 3: Cross multiply
   321,662.84x = 443,886.15 × 185,692.19
4. Step 4: Simplify right side
   321,662.84x = 82,426,191,304.17
5. Step 5: Solve for x
   x = 82,426,191,304.17/321,662.84
6. Step 6: Final answer
   x = 256,250.28