Finding the Fourth Proportional to 331,974.72, 458,118.72 and 181,072.80

Step by Step Solution

1. Step 1: Write the proportion equation
   331,974.72 : 458,118.72 = 181,072.80 : x
2. Step 2: Convert to fraction form
   331,974.72/458,118.72 = 181,072.80/x
3. Step 3: Cross multiply
   331,974.72x = 458,118.72 × 181,072.80
4. Step 4: Simplify right side
   331,974.72x = 82,952,839,362.82
5. Step 5: Solve for x
   x = 82,952,839,362.82/331,974.72
6. Step 6: Final answer
   x = 249,876.98