Finding the Fourth Proportional to 272,443.73, 408,680.96 and 82,910.27

Step by Step Solution

1. Step 1: Write the proportion equation
   272,443.73 : 408,680.96 = 82,910.27 : x
2. Step 2: Convert to fraction form
   272,443.73/408,680.96 = 82,910.27/x
3. Step 3: Cross multiply
   272,443.73x = 408,680.96 × 82,910.27
4. Step 4: Simplify right side
   272,443.73x = 33,883,849,344.61
5. Step 5: Solve for x
   x = 33,883,849,344.61/272,443.73
6. Step 6: Final answer
   x = 124,370.09