Finding the Fourth Proportional to 272,426.98, 408,592.17 and 82,841.42

Step by Step Solution

1. Step 1: Write the proportion equation
   272,426.98 : 408,592.17 = 82,841.42 : x
2. Step 2: Convert to fraction form
   272,426.98/408,592.17 = 82,841.42/x
3. Step 3: Cross multiply
   272,426.98x = 408,592.17 × 82,841.42
4. Step 4: Simplify right side
   272,426.98x = 33,848,353,520.72
5. Step 5: Solve for x
   x = 33,848,353,520.72/272,426.98
6. Step 6: Final answer
   x = 124,247.44