Finding the Fourth Proportional to 333,774.72, 499,995.12 and 200,582.88

Step by Step Solution

1. Step 1: Write the proportion equation
   333,774.72 : 499,995.12 = 200,582.88 : x
2. Step 2: Convert to fraction form
   333,774.72/499,995.12 = 200,582.88/x
3. Step 3: Cross multiply
   333,774.72x = 499,995.12 × 200,582.88
4. Step 4: Simplify right side
   333,774.72x = 100,290,461,155.55
5. Step 5: Solve for x
   x = 100,290,461,155.55/333,774.72
6. Step 6: Final answer
   x = 300,473.51