Finding the Fourth Proportional to 281,589.72, 422,385.98 and 71,227.86

Step by Step Solution

1. Step 1: Write the proportion equation
   281,589.72 : 422,385.98 = 71,227.86 : x
2. Step 2: Convert to fraction form
   281,589.72/422,385.98 = 71,227.86/x
3. Step 3: Cross multiply
   281,589.72x = 422,385.98 × 71,227.86
4. Step 4: Simplify right side
   281,589.72x = 30,085,649,449.40
5. Step 5: Solve for x
   x = 30,085,649,449.40/281,589.72
6. Step 6: Final answer
   x = 106,842.14