Finding the Fourth Proportional to 363,519.96, 501,584.24 and 220,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   363,519.96 : 501,584.24 = 220,196.72 : x
2. Step 2: Convert to fraction form
   363,519.96/501,584.24 = 220,196.72/x
3. Step 3: Cross multiply
   363,519.96x = 501,584.24 × 220,196.72
4. Step 4: Simplify right side
   363,519.96x = 110,447,204,451.69
5. Step 5: Solve for x
   x = 110,447,204,451.69/363,519.96
6. Step 6: Final answer
   x = 303,827.07