Finding the Fourth Proportional to 333,042.30, 499,636.35 and 164,643.30

Step by Step Solution

1. Step 1: Write the proportion equation
   333,042.30 : 499,636.35 = 164,643.30 : x
2. Step 2: Convert to fraction form
   333,042.30/499,636.35 = 164,643.30/x
3. Step 3: Cross multiply
   333,042.30x = 499,636.35 × 164,643.30
4. Step 4: Simplify right side
   333,042.30x = 82,261,777,463.96
5. Step 5: Solve for x
   x = 82,261,777,463.96/333,042.30
6. Step 6: Final answer
   x = 247,000.99