Finding the Fourth Proportional to 339,887.61, 469,067.83 and 224,968.25

Step by Step Solution

1. Step 1: Write the proportion equation
   339,887.61 : 469,067.83 = 224,968.25 : x
2. Step 2: Convert to fraction form
   339,887.61/469,067.83 = 224,968.25/x
3. Step 3: Cross multiply
   339,887.61x = 469,067.83 × 224,968.25
4. Step 4: Simplify right side
   339,887.61x = 105,525,369,456.65
5. Step 5: Solve for x
   x = 105,525,369,456.65/339,887.61
6. Step 6: Final answer
   x = 310,471.36