Finding the Fourth Proportional to 365,710.72, 504,992.28 and 229,971.82

Step by Step Solution

1. Step 1: Write the proportion equation
   365,710.72 : 504,992.28 = 229,971.82 : x
2. Step 2: Convert to fraction form
   365,710.72/504,992.28 = 229,971.82/x
3. Step 3: Cross multiply
   365,710.72x = 504,992.28 × 229,971.82
4. Step 4: Simplify right side
   365,710.72x = 116,133,993,717.55
5. Step 5: Solve for x
   x = 116,133,993,717.55/365,710.72
6. Step 6: Final answer
   x = 317,556.99