Finding the Fourth Proportional to 331,823.72, 457,910.88 and 180,920.72

Step by Step Solution

1. Step 1: Write the proportion equation
   331,823.72 : 457,910.88 = 180,920.72 : x
2. Step 2: Convert to fraction form
   331,823.72/457,910.88 = 180,920.72/x
3. Step 3: Cross multiply
   331,823.72x = 457,910.88 × 180,920.72
4. Step 4: Simplify right side
   331,823.72x = 82,845,566,105.43
5. Step 5: Solve for x
   x = 82,845,566,105.43/331,823.72
6. Step 6: Final answer
   x = 249,667.40