Finding the Fourth Proportional to 333,404.36, 499,659.24 and 215,014.76

Step by Step Solution

1. Step 1: Write the proportion equation
   333,404.36 : 499,659.24 = 215,014.76 : x
2. Step 2: Convert to fraction form
   333,404.36/499,659.24 = 215,014.76/x
3. Step 3: Cross multiply
   333,404.36x = 499,659.24 × 215,014.76
4. Step 4: Simplify right side
   333,404.36x = 107,434,111,570.38
5. Step 5: Solve for x
   x = 107,434,111,570.38/333,404.36
6. Step 6: Final answer
   x = 322,233.67